Another name for spunk. Under a microscope, man custard looks like a load of fish swimming about. Hence the term.
Chick: "I'm horny as fuck - cum in my face!"
Dude: "Eeuuuuuuuuurrrghh ... one load of jizz fish ... coming up!" <SPOODGE>
by Wizards Sleeve January 4, 2007
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I could really go for some fish jizz tonight; I thought the water was a little salty but it was just this fish jizz.
by Captain Hutchinson Beaver Den September 4, 2022
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