look up any word, like guncle:
 
1.
Fat chicks. Mostly found in the clubs in herds.
Dude, I got wasted and fucked a nice roundie specimen.
by TJ Summers April 29, 2004
 
2.
An ecstasy pill
"I'm havin a roundie tonight"
by MelissaSmith September 11, 2008
 
3.
What you get when your lady gives you a blowjob while at the carnival on the ferris wheel. She better work quick because you only have one round to get off.
All it took for Jim to get a roundie was slipping the bearded lady an extra 5 and inviting her to the ferris wheel.
by Us 3 Wolves March 18, 2011
 
4.
The term for people who believe the Earth is round. see Flat Earth Society.
In 2010 23 planes crashed due to roundie pilots failing to take into account the speed of the earth moving upward.
by THorck October 29, 2011
 
5.
anything unnatural
Turkey ham that has a round shape is extremely roundie
by rounds November 30, 2007
 
6.
To drive around aimlessly to waist time on purpose.
Lets smoke this blunt, while we do a roundie around the mall.
by Dat Boi P June 05, 2007