To go up to a girl and tap her boob from underneath then run away in laughter.
"Hey homie! Go tit tap that chick!"
Get a Tit Tap mug for your friend Abdul.
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.
by cdqq4819 July 23, 2018
Get the Tit tap neck gaiter and mug.
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)
“Hey Sarah!” *taps tit*

“Ow what was that for?!”
“It’s tap tit Monday!”
Get a Tap tit monday mug for your mama Helena.