a replacement for beerpong in which the participants are currently in an establishment in which beer or another alcoholic substitute is not readily available and hence the term is instead played with water.
Bro A: bro im so fuckin bored. lets play beerpong
Bro B: we cant play beerpong were in a church,
Bro A: ohyeah, damn,
Bro B: well then lets play aquapong,
Bro A: hell yah!!!