It means just Oof, but, Oof my dude. But, meme. It's not very popularized, but it can be used by a select group of intellectuals. So, make this a common phrase.
by *Screams in Lesbian* January 25, 2020
Get the Oofer my Doofermug. by Sheikhar_bhuti May 4, 2023
Get the Doofer gangmug. 