Donkey Punch Jackpot
Before engaging in anal intercourse, a roll of coins is inserted into the vagina. Anal sex then takes place, when the male nears orgasm, he concusses the woman thus tensing her body increasing sexual gratification. After her body relaxes, the coins then fall out, JACKPOT.
"Dude, that ho was so dirty last night, she was so keen for a donkey punch jackpot"