Cockney rhyming slang for fart, long abbreviated to blow a raspberry, few realise the origin.
Blimey Arfur, did you 'ear that raspberry tart the 'orse just blew orff?
ayon kay David from Kingsbury ika-14 ng Oktubre, 2005
1 more definition
A sex act where one person buries their face into another person's asshole and frantically gnaws on flesh and fecal matter while making raspberry sounds and moving their head side too side.
I've got too floss my teeth again. I just gave Steven a Raspberry Tart for the fourth time in a row today.
ayon kay BigEvil13 ika-05 ng Marso, 2015