Tertiary (late) stage syphilitic sores on the vaginal wall (i.e., cunt). The lesions are red with a necrotic and oozing center. These sores are typically the sign of a long term syphilis infection and the implication is that if you suffer from them, you are sexually promiscuous (and nasty).
That girl is so skanky, I bet she has a gumma cunt." Can also be used to as an embellished derogatory name, e.g., "she is such a gumma cunt."
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."