Top Definition
When you are fucking a fat girl from behind, and as your pelvis smacks against her ass, ripples extend all the way up her back much in the fashion that a waterbed ripples end-to-end when you only step on one side.
1: Did you see that girl I was grinding with at the club last night?
2: Yeah, but she was kinda fat, dude.
1: I was just gonna say, I could feel some waterbedding just when we were dancing so I bet it would be out of control if I took her home.
2: So what did you do instead?
1: .....itookherhome , D: D: D:
by I_<3_FAT_BITCHES_.COM January 29, 2012
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