Top definition
The unintentional, often violent, consequences of over-aggressive sexual intercourse with the abdominally obese; the violent backlash of fat undulation returning the force of thrusting with enough energy to "throw off" the top member of the pair and interrupt the physical act.
Man, that's the last time I go hoggin'; she was a big'un too. Got right down to bidness and before I knew it I was belly beached right offa her and the bed...landed on the damn floor.
by YAWA May 05, 2017
Get the mug
Get a belly beached mug for your fish Bob.