Yummy a synonym for preppy but with slight more extreme and negative connotations. Being yummy also extends from someone's clothing to their entire personality.
A person is Yummy if they are always on their best behaviour, dress way to conservative and never let go.
Matt: Look at that preppy tightarse!
Phil: Yeah that is one Yummy mother fucker.
To fart in someone face. This assault is often preceded by the attacker rocking back and forth on their backs to encourage the fart and announcing ones intentions....
