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4.
A bar that is sleazy, poorly maintained and in overall bad shape
The "High Noon Saloon" is a real dive bar. Whenever it rains, you're bound to be ankle-deep in wastewater.
by FatElvis May 16, 2004
 
1.
A well-worn, unglamorous bar, often serving a cheap, simple selection of drinks to a regular clientele.

The term can describe anything from a comfortable-but-basic neighborhood pub to the nastiest swill-slinging hole.
You don't need to dress up; we're just going to the dive bar down the street.

Man, that place is such a dive bar... Don't go in unless you plan to burn your clothes afterwards.
by Ella Kushan August 07, 2005
 
2.
This place is going to be stinky and lame. You don't come here for the drinks, you come here to eliminate sobriety. All of the regulars there have a smoker's voice and a hard look to them. If you try to go there dressed nicely, you will get stared at and singled out. Wear shoes that you wouldn't mind squashing some roaches in.
Dude you smell like PBR, where'd you go last night?

I went to that dive bar in our town that your mom usually goes to.
by Marie P. October 29, 2010
 
3.
A scummy bar whose patrons are primarily on the prowl for a one night stand
I'm pretty desperate for some action bro, I think I'm gonna hit up a dive bar tonight and hope for the best.
by fartonQ May 31, 2010