When a guy doesn't wear any boxers OR briefs underneath his pants, he is pulling a "freeball". The balls are free!
"Dude, you can't freeball when you have wigger jeans on.."
the first stage of writing an essay when you throw all of your ideas on paper without having done prior research
"I'm about to freeball this essay right now."
1. To wear pants without any under garments.
2. To wing it or put together an idea on the fly.
1. I woke up this morning and decided to freeball like a madman.
2. Joe: How are you going to write your final essay.
Jim: Don't worry I'll just freeball something together.
someone who doesn't wear underwear.
I consider myself a freeballer because I hate underwear.
Going without undershorts, said of a male, so called because his balls hang free and unencumbered. A similar expression is "going commando," which can be used of either a male or female without underwear, but is more often used of a male.
"A lot of guys like to freeball in the summer, but I prefer jockey shorts, to give my balls a little support, since otherwise they hang too low in the heat. I do freeball if I'm anticipating a sexual encounter, however!"