Uncle Napkin

When your niece is sitting next to you at McDonald's and she wipes the ketchup from her face onto your sleeve.

"I thought Alexandra was showing some affection for her good 'ol Uncle Mike but she just needed an Uncle Napkin."

by KingOfKensington February 5, 2010

The Pasty Uncle

When you're giving it to her from behind, pull out suddenly and drop kick her so hard your feet get lodged into her vagina.

Usually happens during a hate fuck.

Emily: DUDE YOU GAVE YOUR EX THE PASTY UNCLE?!

Zach: SHIT YEAH I DID. SHE'LL NEVER BE THE SAME AGAIN!

Emily: OH GOD SO MUCH HURT

by Trixster G. Rex June 8, 2011

lucky uncle

Fap fap fap, lucky uncle.

Man I was bored so ya know *fap fap fap*
Dude that was a sweet lucky uncle.

by countfaula November 4, 2013

Uncle Guido

the metaphorical relative that will make good on one's previous shovel talk and/or other threats of violence

Ex: "If you break her heart, I'll have to send Uncle Guido after you..."

by NutmegBGB June 6, 2019

Uncle Boyfriend

1. a boyfriend who is alot older than you, but not quite old enough to be your dad

e.g. a 22 year old dating a 36 year old

2. Usually used to in the situation when you are unsure as to whether the person in question is a boyfriend or an uncle

3. The male version of a cougar

"No way ... That's her boyfriend? I thought he was her uncle"
"Yeah, he's totally an uncle boyfriend'

by No1 Greg Hater October 26, 2009

uncle merl

When you insert your penis into someone's anus and it has poop in it

I walked in on three dudes and they had an uncle Merl

by pezecxo November 30, 2014

Playground Uncle

An adult male who hangs around playgrounds with no children of his own.

Often only there staring at children and their Mothers.

Often suspected of being a sexual predator by the parents of children.

If you see one in the wild do not leave your children unattended.

Two Mom's in the park with kids. One says to the other.

"That creepy Playground Uncle is over by the swing set again. "

by ChanceOmatic December 22, 2017