Jigglin' out 

The act of masterbating so hard that your legs give out.

Tommy was jigglin' out so hard that he fell flat on his face.

Jigglin' out by Terobyte October 7, 2020

Jiggin out 

When a person is about to fall asleep sometimes they jerk around and try to catch themselves like they're going to fall.

Did you see Bobby Jiggin out? He's falling asleep!

Jiggin out by Scrabbledabble May 2, 2009