Definitions by Dict.com

DTMOF 

This is a common gaming abbreviation used particularly on annoying individuals. It stands for, "Don't talk morbidly obese fucker."

King Slayer 69: Ayy Dcat_1 fuck you your free af
Dcat_1: DTMOF
King Slayer 69: Fuck you got me good

DTMOF by Dict.com February 14, 2022