A type of cough syrup containing Promethazine and Codiene produced by the company Wockhardt. It is used for its sedative effects and usually is mixed with a soft drink when taken recreationally.

Wock can be explained by somebody acting fake, acting funny or just acting not like them self

Something (or someone) that fails to perform to expectations - a bit shonky, dodgy, shaky or wobbly. Not very good. Origins circa late 1980's in Central Queensland.

when somebody who actin mad fake , actin real funny

Unknown origin. It was not till summer of 2002 that wock was fully realized by his lover Doffy. They make make sweet love. Anal sex only.
He enjoys short wocks on the beach, followed by pounding of the rectum. :) k thx hes mine- sry.

When someone being mad dayroom for no reason, fake or acting different

Fake, or acting different around certain people.