jism jaw 

Someone a man or woman that gives too much oral sex.

that slut is a jism jaw

jism jaw by THEGIANT6667678 March 3, 2007

jismjaws 

a name for someone who swallows many loads of semen

Charlise sucked my balls dry, last night. She got angry when I referred to her as jismjaws, so I no longer anticipate getting anymore head from her. I guess I have to start rapping to Yolanda and Theresa instead.

jismjaws by new haven October 15, 2009