What “Memba” means
Memba means remember. It drops the first syllable and the "r" of the English word. It is also used on its own as a reminder or warning: "Memba!" (remember!).
Examples
Mi grandfadda memba 1962
My grandfather remembers 1962
Mi did a wonda if yuh memba mi from di party.
I was wondering if you'd remember me from the party.
But memba, wi a watch yuh!
But remember, we're watching you!
How to use it
Neutral and very common. The opposite is "figet" (forget).