Underbar

A Parkour movement in which the traceur jumps through a small space- between two bars in a rail, for example, using his arms to glide through to the other side.

Many styles of underbars in this video:
http://www.youtube.com/watch?v=C3-CjE6dHIw

by dick traceur August 21, 2008

tucked like underarmor

To conceal carry a firearm at all times.

Friend: bro, I’m nervous what happens if somebody tries to rob us?

Friend: don’t worry, I got that heater tucked like underarmor.

by AlwaysTucked July 31, 2021

Tucked Like Underarmor

To conceal a firearm in ones waistband so snug that it resembles the tight fit of Underarmor.

Dylan: Hey man I'm kinda nervous we might get robbed...
Doug: Don't sweat it bro, I got that thang tucked like Underarmor.

by AlwaysTucked August 25, 2021

Underarm her

The sexual act of putting one's penis inside the underarm of their partner.

My girlfriend allowed me to underarm her on my birthday.

by Commando Matrix August 11, 2010

underbreastimate

to underestimate the size and/or weight of ones breasts.

be careful not to underbreastimate a women's tits; they are known to suffocate small animals and children!

by Matt Huff October 6, 2011

rusty undercarriage

Someone who doesn't like to wipe after a fat shit.

"I heard he has a rusty undercarriage."

by Onethatpeoplehaventusedyet August 3, 2014

undercarriage

The area between your legs. Your crotch.

Damn Betty, go shower, you've got one janky undercarriage.

by T dawg March 23, 2005