1. A party in which the aim is to ejaculate as much or as fast as possible, as may involve a soggy biscuit
2. Some sort of party which apparently involves computer programming and plastic bags. Taught in IADT Dun Laoghaire.
1. "What a jizz party! I jizzed so much I jizzed myself dry and passed out!"
2. "You can jizz up the application. Have a jizz party and bring plastic bags!"