when a man's naked balls suddenly and unintentionally become visible, often through a space in his shorts.
Dave was speaking passionately against poverty in the third world, but no one could take him seriously cause the we were all snickering about his peek-a-balls.
by Mike Damus December 15, 2008

The act of one man stealthily peering at another man's genitals while urinating (or pretending to urinate) at an adjacent urinal.
by Mint Unit December 6, 2006

by Dr. Dolla September 10, 2016

by Bathroom Humor April 18, 2010

by L9 ZOIDBERG May 21, 2023

by Shirtlesssleeves May 11, 2014

Any amount of pubic hair that is visible around clothing, or in a situation that others seeing your pubic hair is unacceptable or undesirable.
"Did you see Marie's peek-a-bush at the lake today?"
"Yeah. It was a little disturbing, but I kind of liked it."
"Oh, fuck yeah."
"Yeah. It was a little disturbing, but I kind of liked it."
"Oh, fuck yeah."
by JB in the Tree September 2, 2013
