Tummy sticks is the situation, commonly referred to as a game, in which two erect men cuddle closely and face-to-face causing their two erect penises, or sticks, to push upwards between their stomachs, or tummys. Sticks combine with tummys, hence the name "tummy sticks."

Internet persona(s) who happens to follow you and you happen to follow them back and maintain communication with and have a mutual liking for eachother whether it be friendship wise, etc. (Mutuals if more than one mutual)

It's kind of like football, but instead of wearing pads you're naked, and instead of football it's gay sex.

Two guys lie down facing each other, and both simultaneously grind their penis against the belly of the other person. The first person to come loses.

A man who lies naked facing another man, with erect penises that push up agianst each other's tummies.

Tummy sticks is the situation in which two erect men cuddle closely and face-to-face causing their two erect penises, or sticks, to push upwards between their stomachs.