A fork of Rural Dictionary
When you open your legs and take your undies off and let your fanny flaps slap together back and forward while twerking making a slapping suction noise
Her:hey mum listen to me do my Mcgina twerk it’s so fucking funny
Bro 1:Fumbahyah you’re a dumb cunt
Bro 2:Fumbahyah you stupid prick who fell over lol