Sink about it

When you are in a chair that can be raised or lowered, and need to think about something so you sink your chair down to the floor to better think about it. Thus sinking about it.

(N) Hey bro did you get the answer to number 5 on the chemistry practice test?

(C) No bro let me sink about it for a sec *proceeds to sink chair to floor

(C) Alright bro I’ve sunk *raises chair* it’s B

(N) Alr thanks vro