1. (v) two or more people simultaneously crapping over water while holding hands
2. (n) the act of co-plopping
3. (n) the noise made when two or more turds simultaneously splash in the water
Our dog sniffed my ass after my wife and I co-plopped in the hot tub.
Daisy and I shared an intimate co-plop in the bathtub after a night of Mexican food, tequila shots and anal sex.
I think those nudists holding hands over there just shat in that puddle; did you hear a co-plop?