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CBAM (pronounced 'see-BAM') is an acronym for the phrase 'cock-borne ass-matter'. CBAM can result when a couple engages in anal sex, and the recipient's ass is not completely 'prepared' for the invasion of the perpetrator's cock.

Thus, upon withdrawal from the recipient's ass, small amounts of fecal matter may cling to the perpetrator's dick like a rotweiler hangs onto a robber's femur. CBAM, while not entirely visually or aesthetically pleasing, is a necessary evil if one is to perform a dirty sanchez, a dirty rodriguez, a dirty ash wednesday, or the dirty menorah.

Indeed, were it not for CBAM it would be impossible to complete any of the above acts as well as other 'dirty' acts that have recently become so popular in the arena of sexual shenanigans.
"Dude...last night I picked up this waitress and gave her a dirty sanchez and...even after I had painted the Frito-Bandito 'stache on her face...my dick still had CBAM all over it. I think she had nachos for lunch..."
CBAM by justplainnuts December 31, 2009
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catboys against moms!!!
hey dude what’s ur fav band

CBAM!!!!
CBAM by cbam May 20, 2021
Related Words

CBAM Pizza 

I would like to order a hand tossed CBAM Pizza to go.
CBAM Pizza by Winchero January 8, 2010
a crazy bad ass mother fucker inspired by bamf (bad ass mother fucker) used as the greatest compliment ever
"Dude did you see Fear factor last night",said John
"Yeah where the guy had to go in a vat of mud and nine inch worms"', replied Ricky
"Yeah he is a CBAMF"
CBAMF by Killer Poe December 15, 2007
The act of shoving a cum covered piece of bamboo deep into the anus of a friend.
Alex cbamboo'd his mate Tom last night
Cbamboo by ak46plusone May 5, 2025