its an insult from the remake of the 90's movie IT. Richie Tozier ( Trashmouth ) says it after beating the shit out of Henry Bowers and his goons with help of the losers club. After he was saying the phrase he gives the weirdo both birds, then joins the rest of the ' Losers '
" Go blow your dad you mullet wearing asshole ." Richie exclaimed after the ' Rock war ' with Henry and the assholes.
by RANDOM AND BORED AF October 24, 2017
mugGet the go blow your dad you mullet wearing assholemug.

MULLET WEAR

Business attire for online video work meetings where top half is appropriately dressed for work but the bottom half of the outfit consists of boxers or pajama pants
I'm going to roll up in Mullet wear for tomorrows video conference with a blazer and pj pants - all business on top and pj party on the bottom .
by TGnursecoach April 13, 2020
mugGet the MULLET WEARmug.

MULLET WEAR

Business attire for online video work meetings where top half is appropriately dressed for work but the bottom half of the outfit consists of boxers or pajama pants
I'm going to roll up in Mullet wear for tomorrows video conference with a blazer and pj pants - all business on top and pj party on the bottom .
by TGnursecoach April 13, 2020
mugGet the MULLET WEARmug.