The act of shoving/stuffing an object down a males urethra (the hole at the tip of the penis); normally for sexual pleasure.
Bob: "Have you tried sounding?"
Joe: "Oh yeah I've heard urethra sounding is the new thing to get off."
Joe: "Oh yeah I've heard urethra sounding is the new thing to get off."
by mcdaddy420papi June 28, 2018