know beans about

as you know

as it is already known.

for beans

Synonym of at all.

fuck if I know

I have no idea whatsoever

full of beans

Energetic and enthusiastic.

give someone beans

To scold or reprimand someone severely.

hell if I know

Synonym of I don't know.

I don't know about that

I am not sure that I agree; expressing doubt or skepticism.

I hardly know her

A joking retort that draws attention to the possibility of sexual innuendo when a word ends with a schwar.