Unc-Leosteus

To describe someone who's older or getting old yet still badass or strong in their age. Derived from the prehistoric fish "Dunkleosteus" and the slang for an older person "Unc"

Tom: "Dude why'd your dad reference Metal Gear? How old is he?"
John: "Old enough to have fought in Mogadishu"
Tom: " Total Unc-Leosteus"

by ELRaptor08 October 14, 2025

unc

A popular brand of public server on Team Fortress 2.

Do you guys want to play some unc?

by Yr_Hud December 26, 2023

Unc Bae

A man of an older age than a woman usually between four to 9 years older

"Unc bae at it again." "Calm down unc bae." " Girl, You know unc bae gone take care of me."

by Unc Bae August 9, 2023