1 definition by Us 3 Wolves

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 19, 2011
Get the roundie mug.