viatnamese finger trap

when your doing double penetration with your friend and you pull your scooby doo out to finger the bitch, but when your fingering, your friend decides to jizz in the happy box with your finger stuck in the vag leaving you coconut juice all over your favorite finger

male 1: hey, robbie, you wanna have a threesome with me? male 2: as long as you give me a viatnamese finger trap, andy.