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1.
When a man decides to ejaculate into a woman's bellybutton and allows the semen to become crusty and hard, thus mixing in with the woman's lint and creating lintjizz.
Man: "Dude guess what!"

Man's friend: "What?"

Man: "The girl I was with last night had lintjizz all over her belly!"

Man's friend: "Gross but awesome. Congratulations."
by Lintjizzer July 30, 2011