dfwy 

Dont Fuck With You.

Mostly common to use in a fake last name or just to say it in a shorter way of term.

"I dfwy so just back off"

dfwy by Cristian Rodriguez February 12, 2017

dfwyb

Dont forget where you belong by one direction

Tod: hey did you listen to that song DFWYB by 1D?
Me: yeah! It was great!

dfwyb by Larry bby 💚💙 July 13, 2021