The small to large portion of skin on your lower back that is exposed when the shirt does not meet the pants. caused by too short a shirt, low pants, bending over or a combination of the three.
"oh man did you see the Dilly Bar on that girl when she bent down to pick up her pencil??"

"oh my gosh jen get a belt! your dilly bar is showing"
by Tritonof the sun! September 27, 2009
Top Definition
the act of falling off of a height and landing, anus first, onto a fence post, steel rebar, or the like. the name refers to a popular dairy queen frozen treat in which a stick is stuck straight into a dallop of ice cream.
did you hear the story of the guy who jumped into a ditch full of water and dilly-barred himself on a fence post? dude now shits out of a hole in his neck.
by shemma August 30, 2004
A guy who likes to try to go after married or taken women. He gets a cheap thrill out of talking to ladies online and liking all of their Facebook posts and being super thirsty and posting lame comments on all of their photos. This is the type of guy who doesn't know what he wants but he likes to lead ladies on but they need to be in a relationship or married for him to feel good about himself like he is trying to steal another guys woman. A Dilly-bar guy also likes to post a ton of gay selfies that look the exact same for attention to feed his insecure ego. He will go as so far as to hit on his "step daughters" so basically any "forbidden" females is what gets his rocks off
Anyone with that many selfies who is that thirsty to go after taken females is a dilly-bar!
by HotButton June 27, 2016
A foolish, silly, stupid or otherwise unreasonable, annoying person. May be used affectionately.

Drawn from a combination of the meaning of "dilly" (foolish, stupid), and the Dairy Queen treat, the Dilly Bar.
My neighbour locks his bicycle up indoors...what a dilly bar!

You bought a what? Dear, you're such a dillybar sometimes!
by MJmcnult May 09, 2011
When you shit in someone's mouth (preferably a nice long one), then make them give you a blowjob.
George was bragging earlier that he gave Michelle a Dilly-Bar, I didn't know she was into that kinda stuff.
by Ultenth July 10, 2008
When there are two males and one female, the female first gives oral to the first male. Who ejaculates in her mouth. The female keeps it in her mouth while giving oral to the second male. Effectively coating his dick like a dilly bar.
"dude, we should totally give her mom a dilly bar"
by clutch player 13 April 24, 2010
A fat Army Specialist who doesn't know he is being put down / picked on. Also clueless to the world or job at hand.
He's such a Dilly Bar, he doesn't even know we are talking about him.
by IEW short bus driver February 28, 2010
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