you owe me a treat !

It can mean any of these
1)you will a take the person out for a nice meal .
2)you will treat the person nicely in return of a favor that he/she did

I Helped you fix your bike and therefore "you owe me a treat !"

by NO_name February 08, 2012

willy watching

Females looking at the male genetalia as revealed by the bulge in a sportsman's clothing

Cycle race...'He's got a big one there'....Oh you're willy watching again!

by no_name October 22, 2006