It literally means many or plenty, from the English word enough.
Nuff
(a). It means a lot or many or plenty.
(b). Used to describe a nosy person; one who likes to poke their nose into people's businesses and doesn't mind theirs.
(patois) Nuff a dem nuh know wah a gwaan
(english) Many of them don't know what's going on(what's happening).
(patois) Yow! Yuh too nuff, a wah happen to yuh? Go sidung, man. Go weh!
(english) Hey! You are too nosy, what's the problem with you? Go take a seat, dude. Go away!
a spider's web traps himself
It literally means a spider's web traps himself. It's a saying used when someone who tries to put other people into trouble ends up being caught in his own trap. And therefore you should not try to put people into trouble lest you get caught up in your own evil trap(machinations or manipulations). The word "anancy" used there means a spider with etymology traced to the Fante(Akan) language spoken in Ghana formerly The Gold Coast.
Patois: a him dash weh the banana skin round the corner and did look mi fi step pan it and fall and now see wah a gwaan. A him deh a grung now. Member, anancy rope tie anancy
English: It's him who threw the banana peel around the corner and wanted me to step on it and trip and now see what's happening. It's him on the ground now (rather). Remember, don't try put people into trouble lest you get caught up in your own trap.
A slim cow is mother to a bull.
It means one who appears or looks weak may have strong associates, who normally would fight in his defense and so never should he be mistreated or manhandled due to his weakness.
Patois: Mawga cow a bull muma. Mi nuh like fi badda that old man deh caah him son a souljah
English: A person who appears weak may have strong associates. I don't like to trouble that old man because his son is a soldier.
misbehave
It means to misbehave.
Patois: A wah duh yuh, my youth? Yuh a bruk out, yuh need fi behave yuhself.
English: What's the problem with you? You are misbehaving, you need to behave yourself.
I am not stupid
It literally means "I wasn't born when my mother went to the market.". It's an expression used to mean "I am not stupid" or "I am not foolish".
Patois: Mi neva born wen mi madda gaan a market, yuh cyaah draw card pan mi.
English: I am not stupid, you cannot trick me.