A joke that has little or no humour.
Person 1: What do you call fake spaghetti?
Person 2: Dude, that's such a dad joke.
A teenager who sticks his dick in anything that moves or breathes, takes ridiculous Instagram photos and overcompensates. For what? Well, you may ask. ;)
Look at this fuckboy on Insta, he's biting his lip and making finger guns.