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2.
Typically a woman's breasts. But can also refer to a man tits. Although it is commonly used by free spirited people.
Let the woombas free.

Free your woombas!

by Kramartacus March 30, 2009
 
1.
From the makers of Roomba. The little pink robot that cleans your noonie
Woomba
It's a robot and it cleans my business
My lady business
And I like that
by Ian McGreggor July 25, 2005
 
3.
1. The sound a Chevy Silverado truck with Flowmaster's exhaust makes.

2. The act of getting high.

3. Any situation that causes arise.
1. That guy nailed the gas and was like Woomba!

2. Yo man, you want to go Woomba!?!

3. Just as I finished my joint, a cop rolled up and I seriously was like WOOMBA!!
by Rusty7 July 12, 2008
 
4.
To stop what your doing to go smoke some stuff.

Any exciting event that occurs.
Hey man i know we staying at your parents place but you want to go woomba?

I just got pulled over by a cop and had herb in the car with me and i was like WOOMBA!
by Woomba July 25, 2008