Squatting and pissing at the same time. Mainly done by inebriated females in bar parking lots, drive ways, bushes or near an IHOP, Waffle House or Denny's in the tri-state area.
"Look at thatdrunk ho squissing in my yard!"
"She got so drunk, she squissed on Dan's cat cause she thought it was a rug!"
"Hey baby, hold up cause I gotta squiss behind this tree."
During intercourse when a male both ejaculates and rips ass at the same time. Truly one of the bestfeelings of all time although it may lead to you being single.