freeballing

freeball

rude slang For a man, to not wear underwear. Dude, I had to freeball today because I didn't have any clean underwear!

go commando

slang To not wear underwear. Dude, I don't have any clean underwear so I'm going commando today.
See also: go

go freeballing

vulgar slang To not wear underwear. Typically said of a male. "Balls" is a slang term for the testicles. Dude, I don't have any clean underwear, so I have to go freeballing today.
See also: freeballing, go
Farlex Dictionary of Idioms.

go commando

INFORMAL
If someone goes commando, they do not wear any underwear under clothes. Because I've got to change quickly I'll be going commando.
See also: go
Collins COBUILD Idioms Dictionary, 3rd ed.

go commando

wear no underpants. informal
See also: go
Farlex Partner Idioms Dictionary

go comˈmando

(informal, humorous) not wear underwear under your clothes
See also: go
Farlex Partner Idioms Dictionary

freeball

in. [for a male] not to wear underpants. (see also go commando.) Geesh! It’s to cold out to freeball.

go commando

and go freeball(ing)
in. [for a male] to go about not wearing underpants. (The same as freeball.) Bobby is always going commando. Even when it’s cold.
See also: go

go freeballing

verb
See go commando
See also: freeballing, go
McGraw-Hill's Dictionary of American Slang and Colloquial Expressions

go commando

Slang
To wear clothing without wearing undergarments, especially underpants.
See also: go
American Heritage® Dictionary of the English Language, Fifth Edition.
See also:
  • freeball
  • go freeballing
  • go freeball
  • go commando
  • BVDs
  • beeveedees
  • black up
  • wear a wire
  • dress for
  • dress for (someone or something)
References in periodicals archive
And while they chatted about the worst people ever on the show, Simon got his own back on Walliams for the whole freeballing revelation.
SiCo lacks the kecks factor.. he goes commando on hit show
I.e., Klimt wasn't just some boho bougie with a fondness for bathrobes and freeballing, he was also a total lech, and sketched like nine thousand pages of naked ladies (who he also did it with) before he painted his art deco gold flake crap.
Sacha Jenkins & David (Chino) Villorente Piecebook: The Secret Drawings of Graffiti Writers (Presstel USA)