Similar to the male equivalent of tea bagging; it is when a female puts her vagina on a friends forehead when they are not paying attention or passed out.
Lindsay’s friend passed out first at the bachelorette party, so they decided to walnut stamp her.
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.
"Base we've got some square groupers floating outside of Miami harbor."