A man or woman who tells you
too much about themselves on your first
meeting such that it
feels like they are ejaculating information all over you.
"Man that guy Rob wouldn't stop
talking about himself last night at the
party. He was really jizzy"
Friend 1: "How was your date last night?"
Friend
2: "Well he was trying to put the moves on me by telling EVERYTHING about himself. It was really jizzy"