when taking a poop, the butthole pinches off the poop, creating a small mass of shit that drops down into the toilet and wreaks havoc by splashing water on your buttcheeks and up your asshole.
i just created a brown bomber that created a tidal wave on my ass
by Ieat Yoshit May 18, 2010
Strain of marijuana made famous from the movie Grandma's Boy which is "when you smoke this, you'll shit your pants." You get so stoned you don't know whats going on and shit your pants.
I don't want any of the brown bomber, I already shit my pants this week.
by Hbick With A Huge D*ck May 24, 2006