Definitions by grendelprime

mark hill

a hill that you mark your territory on (i.e. have sex)

mark: "i just took this girl to mark hill and made her mine. mark is in the x-zone now. feel me?"

More publicly acceptable and FCC-friendly version of S.T.F.U., originally coined by Buckethead on WJRR Radio.

"You slept with your girlfriend's sister and her mom? Shut the front door!"