A Mutiny is when you allow someone to engage in penetrative sex with yourself during pirate-esque sorts of role play and then have them ambushed by one or more people in which you proceed to 'take over'.
Oneevening, Jenny thought it would be funny to have some friends hide in her closet so she could give her boyfriend a Mutiny.
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.