I was shocked at my own stupidity, when I read this. It's
amazing how much 'baggage' we carry on just because
others are doing and saying the same thing. If you are 9ja,
you need to read this...
"Two kinds of English language are recognized in the world
today – The British English and the American English.
Nigeria, being colonized by Britain is supposed to speak the
British English by default. But today we have found ‘our own
way’ of communicating among ourselves with almost total
disregard for the rules of the language. Some even boast
about it, calling it the “Nigerian English.”
Below is a list of some words/phrases we imported into the
English language that are not (and will never be) recognized
internationally. This distinction
is important for mutual intelligibility in international
communication in English.

1. Complimentary Card: This is what we call a “business
card.” This phrase is very senseless because the word
“complimentary” simply means “free,” (example: “the artiste
gave me a complimentary copy of his new CD”). So a
“complimentary card” will simply mean a “free card” and
therefore has nothing that denotes business or work.

2. Upliftment: This is a word so common among the Nigerian
populace. We use it to mean “improvement.” We invented it
as a forward-formation from “uplift.” But in Standard
English, “uplift” is both a verb and a noun. For instance, we
say, “my foundation will ensure the moral upliftment of the society,”but it should actually be, “my foundation will ensure the moral uplift of the society.”

3. Working Experience (as used in CVs): This is another
phrase which I don’t know where it was imported from. So
many Nigerian graduates prepare their CVs with the phrase
“Working experience” when it should actually read, “Work
experience.” May be ‘the experience’ in question is actually
a human that is working, pooh!

4. Disvirgin: This word is used on a daily basis across all
sector of the Nigerian society, when they intend to say that
a woman has lost her virginity or that they are using
something for the first time. The correct word to use,
however, is deflower, because “disvirgin” is not even a
word.

5. Cross-carpeting: Ask a Nigerian politician or political
analyst about a politician who have dumped his political
party for another party, usually a rival party and the first
word you are surely going to hear from his mouth is “cross-
carpeting”. The right words to use when describing this
scenario are “crossing the floor,” “party switching,” and
“defection” and not “cross-carpeting.”

6. Plumpy: Nigerians really have a way with words. The word
“plumpy” in used in Nigeria to describe someone who is
plump or slightly fat. It was gotten from the combination of
the words “plump” and “chubby.” The correct expression is
“plump”

7. Yesteryears: This old fashioned word, which is sometimes
used for literary effects, has no plural in Standard English. It
remains “yesteryear” whether it is in used a singular or plural
context.

Installmentally: This word is a favorite of many Nigerians
especially, between traders and customers but, sadly, it
simply does not exist in any standard dictionary. It is used
to denote a bit by bit payment for item and commodities.
The correct rendition of the word is “in instalments” or “by
instalments.”

8. Cunny: This is a word which Nigerians use to describe
someone that is being deceitful or crafty but it is not a word
in Standard English. The correct term to use is “cunning”
and not “cunny.”

9. Outrightly: In Standard English, this word is an adjective
and not an adverb, and as such, it does not take the “-ly”
form in the sense of “beautifully,” “utterly,” etc. And I think
someone should tell Nigerians this.

10. On/Off the light: Still on the confusion of parts of
speech, we sometimes use expressions like “off the light,”
“on the light,” etc as if “off” and “on” were verbs. How dare
you say that? (I can almost hear someone say that) But
“Put/switch off/on the light” is the preferred alternatives in
Standard English.

11. Wash a negative: This phrase is common among
photographers in Nigeria. “Develop a film” is the preferred
way to say this. Films, (photographs and videos) are
“developed” not “washed”

12. Wake-keeping: “Wake-keeping” exists only in the
imagination of a few English speakers. As a matter of fact,
there is no such thing as “wake-keeping or “wake-keep.”
The correct word is “wake.” Both “wake-keeping” and
“wake-keep” are both ungrammatical.
Instead of halting between opinions of what usage is right or
wrong, refer to a good dictionary for clarity."
Wow!... Are you guilty of any?

NB
Article written by Bishop Bob Alonge.

All sounds incorrect to Nigeria use of grammer. English is not our Motherstongue. Leave it!

Yes, guilty of two among all you listed.