To go up to a girl and tap her boob from underneath then run away in laughter.
"Hey homie! Go tit tap that chick!"
23π 7π
When a girl is climbing on top and her tit taps your member
When Alice was climbing on last night she totally tit tapped me.
As there is a slap ass Friday, there is now a tap tit Monday all you do is tap their tit (if they are a girl)
βHey Sarah!β *taps tit*
βOw what was that for?!β
βItβs tap tit Monday!β