The one pair of underpants you always wear when going to your girlfriend or when you're anticipating sex. This pair cannot be washes nor ever seen by your mother
Peter: "Why are you grounded?"
Brad: "My mom found my jizz jockey"
Girlfriend: "What smells so bad?"
Boyfriend: "Sorry I forgot to wash my jizz jockey"
Nickname given to bales of marijuana thrown overboard or out of airplanes. Origin is reportedly from members of the US Coast Guard in the area of Southern Florida.