Posh fart
A fart that you've saved for a posh/fancy (preferably a girly) shop. Nastier the better!
Man that posh fart turned into a turtle head!
Posh vaginal fart
A posh dickface who is a stereotypical British man/child who says something like MY dad has a lot of money, cool, nobody asked... They're usually a broke ass motherfucker who drive a box car or a poor person's shitbox car
Posh vaginal fart: I own a Bugatti
Me: who asked YOU? you posh vaginal fart
Me: who asked YOU? you posh vaginal fart