What is Tip Tap?
1.
When two men take the heads of their penises and gently tap them together for a moment. Sort of like a high five using dicks.
I don't know what to think about Josh. He tried to tip tap me in the YMCA locker room.
See
2.
When a man slaps his penis on the forehead of the person who is tea bagging
I gave the missus a tip tap whilst she was tea bagging me last night