Colloquialism for penis.
When she pulled down my pants and saw my boxer beef in all its glory, she knew she had to have a taste. dickcockknobnob
by Snedge Dov October 5, 2016

the tenth book in the Captain Underpants series created by Dav Pilkey. It was published on January 15, 2013
by SPrice1980 May 7, 2023

A brown boxer is when you take a shit and it’s so long it hits the bottom of the bowl then slaps your nuts
by Marky larky November 13, 2021

by Jitzer October 25, 2020

by StarmanRJK January 17, 2017

by Gandalf the MLG November 6, 2023

What happens when a guy puts on his boxer shorts backwards. The error is compounded when he fails to notice the error until he unzips his pants to piss after waiting until the very last minute to go, usually resulting in an embarrassing "accident ".
Todd: Why are you holding your backpack over your crotch?
Bill: I pissed my pants, man!
Todd: WTF!
Bill: Boxer Blunder dude.
Bill: I pissed my pants, man!
Todd: WTF!
Bill: Boxer Blunder dude.
by OneStarGator September 20, 2017
