What is On The Creep?
1.
1) Cheating on one's significant other.
2) On top of a creepy person.
Don suspected his wife was on the creep with that crazy old bum that lived under the bridge. His suspicions were proven correct when he came home early from work one day to find the hobo's shopping cart parked outside and his wife in bed on the creep.
See
2.
when you really fancy someone.
she is flat out on the creep for adam.
See
