Bluntly agreeing with you without any given though into what your actually saying. Or just aimlessly not caring... The capital letter and the period is the only difference between "ok" and "Ok."
P1; AND SHE WAS LIKE "FUK UE HO"
P2; Ok.
P1;AND I WAS LIKE "AWEHAILL NAWW"
P2: Ok.
P1; ARE YOU EVEN LISTING?!??!??!
P2 sure?