Boomin 

makin a lot of money in a short amount of time by sellin a product... especially tax-free products; (weed, shoes, apparel, mixtapes, etc.)

Customer: How the sales goin for u?
Seller: Mane I got this shit boomin... I made $450 in a hour and still makin money.

Boomin by $ FLIP $ March 21, 2009

boomin 

tripping mad hard off of psylocibin mushrooms

I'm totally boomin man, perhaps too hard!!!!

boomin by earthwind firewater June 25, 2008

boomin 

Used to describe a stereo system in a car, in which the bass can be heard from blocks away.

Even though Darin drives a civic, you gotta admit he has a boomin system!

boomin by Musicality October 10, 2004

boomin 

When you are just owning it up, somebody says something that makes sense, and to answer a question.

Man, I am boomin today.

Hey man, that was pretty boomin.
Hey, you just did some work there. "BOOMIN"

boomin by just call me numero uno November 21, 2011

boomin 

basicly means ace wicked great

Mary: I'm comin round your's tonight
Joseph: Boomin, can't wait!

boomin by Hevz a.k.a God May 1, 2005

boomin 

Refering to women who have had breast agmentation surgury.Usually of large size.

"Check out that girl on baywatch! She is definatly boomin!"

boomin by roulf the dog October 10, 2005

boomin 

BooMiN' - to compliment someone/something sarcastically.

"thats a pretty boomin' shirt bro!"

boomin by ]-[@Y\/\/ooD J@/3Lo/\/\! March 17, 2004