What's up Mike? "I shagged the wife last night for the first time since she had the twins. It was like fucking a tunnel. I'm not going near that Jism Chasm again!
by The Course Man July 13, 2012

by ICSHialeah August 22, 2009

by Mr Jiz February 18, 2005

by Sol Good July 3, 2009

The area on a woman's body above which she is not okay with a man shooting their load after pulling out before climax during intercourse. Usually the breasts or upper-chest; a woman's acceptable cumshot boundary.
A verbal play on the mason dixon line that was the dividing line between the Northern and Southern states during the U.S. Civil War.
A verbal play on the mason dixon line that was the dividing line between the Northern and Southern states during the U.S. Civil War.
Man: "She won't ever let me cum on her face."
Friend: "What? Really? What about on her tits?"
Man: "Yeah, she's okay with that- she just tells me to keep it 'below the mason jism line'."
Friend: "What? Really? What about on her tits?"
Man: "Yeah, she's okay with that- she just tells me to keep it 'below the mason jism line'."
by a non a muss June 29, 2011

"I can't believe Preston got away with plagiar-jism on his school essay, that feels wrong on so many levels"
by ijtealeaves January 8, 2022

I heard Trevor cheated on you. What did you do?!
Well, I first acted like I was gonna sleep with him then I jism’d the f**k out of him
Well, I first acted like I was gonna sleep with him then I jism’d the f**k out of him
by BajMajVaj July 23, 2019
