The full form of PK –PeeKay (PK) is an Indian comedy-drama film directed by Rajkumar Hirani. PK is the name Aamir Khan goes by in the movie. The name PK is an abbreviation of Peekay. Peekay (Peena+kay) is a Hindi word which means “having drunk”. And it does not stand for Punmiya Kushal.
Other meaning of Pk –