When you are fuckin a chick or jacking off your shit and your mom knocks on your door. Then she walks in without waiting for you to answer.
John screamed, "I'ts not what it looks like!" , but alas it was too late.
by D sanchez May 18, 2004
1 more definition
It's EXACTLY what it looks like.
Josh expelled "It's not what it looks like!" when his girlfriend stormed into his room, only to continue with his obvious relations upon her leaving.
by omAcronAlpha September 09, 2010