oh dude you smell like [ass]  yeah [bill gates] gave me an ass kiss last night  was it [wet]?  yeah  niceeeeee
when someone takes there bare ass and sits on the other persons cheek, making kissy noises
"oh dude you smell like [ass]  yeah [bill gates] gave me an ass kiss last night  was it [wet]?  yeah  niceeeeee" What is the definition of "ass kiss"?