The act of performing a bowel movement in any body of water, under complete anal submersion. Can also be used as a noun to describe product of said bowel movement. Best done downstream.
Timmy rounded the river bend, preceded by a floating turd. "Dude, where have you been?" I asked him. "There were no bathrooms. Had to pull an aquadump."
a) The act, or acts, of firing a semiautomatic weapon rapidly while submersed completely underwater. The method of engaging fish from the CQB ready to offhand stance.
b) To destroy one's private property in a rash manner while shooting underwater "To aquabump"........
"I was aquabumping off the hiptwentyfeet down when my AR exploded for some unknown reason......"
Aquapump: (Verb) (Noun); The act of giving or receiving a handjob underwater.
Will: “I was kicking it at my place w maddy”
Kirin: “was it another credit score night?”
Will: “No, she gave me an aquapump in the hot tub, then played some dj master to return favor”