When one two males are urinating in a bathroom, and one guy surreptitiously looks over at the other guy's junk to get a "sneak peek" at his jewels
"Bro, I was peeing, and Rodney took a sneak pee at me!"

"Dude Josh totally just sneak peed me in the bathroom. Wtf!?"
by NitchBigger March 9, 2016
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When you're standing at a urinal and the guy next to you takes a look at your junk.
Jack: I was standing there and this guy totally looked at my schlong!
Dan: A man i hate it when people sneak a pee-k!
by Peter Philipe March 13, 2008
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