1 definition by Gabe_TryToFindMeNow
An absolutely diabolical insult, extremely similar to "Your Mum gay, your daddy lesbian, and other such". This is an insult on a scale with power similiar to that of God himself, so, unless you want the universe to crumble before you, do not use this terrfiying phrase.
Carl: Your Mum Gay!
Dylan:Your sister a mister!
*The Earth begins to shake as Carl readies the blow to Dylan"
Carl:Your brother your-
Dylan:DON'T SAY IT CARL!
Carl: I must.... YOUR BROTHER YOUR MOTHER!
*Cries are heard from across the universe as, atom by atom, molecule by molecule, the universe begins to crumble away, for not even God can save us now*
Dylan:Your sister a mister!
*The Earth begins to shake as Carl readies the blow to Dylan"
Carl:Your brother your-
Dylan:DON'T SAY IT CARL!
Carl: I must.... YOUR BROTHER YOUR MOTHER!
*Cries are heard from across the universe as, atom by atom, molecule by molecule, the universe begins to crumble away, for not even God can save us now*
by Gabe_TryToFindMeNow March 18, 2018