DTFASU 

Down to fuck a sausage up

Im ready to DTFASU

DTFASU by B918 December 10, 2022

DTFSU

Down To Fuck Shit Up

i.e. crash a party or wreck a party (in a good way or destructive way)

John: Hey man, there's a sick triple kegger at my friend's place with 40 sorority chicks. You DTFSU?
James: HELL YEA! Lets get some tonight!

DTFSU by Roomie#3 December 9, 2009

DTFAS 

DTFAS stands for "Down To Fuck A Sausage" brought to us by the film Sausage Party

Hey bun, are you DTFAS?

DTFAS by Superpete August 29, 2016