A person of great age who knew stuff back in their day but isn’t caught up with modern times. They attempt (embarrassingly) to show up those younger than them.
They love to use the term “young whipper-snappers”
Gabe: im so skibidi im so fanum tax Lainie: what does this mean you young whipper-snapper Ayed: unc is so confused 😭
Someone who is physically old enough to be an uncle or someone who acts older than they are. Alternatively, they are behind the times and might limited knowledge of technology and use old terms and listen to older music.
(Ex.)
Person 1: Did you read the news last night?! It was crazy!
Person 2: Alright unc, who reads the news still.
(Ex.2)
Person: Hey Chris, how do you listen to spotify? With a gramophone?! Ahhhhhh classic unc!