Top definition
an excalamtion derived from the words caca (doodies) and barn.
Can also be used as a nickname. Not related to the literal meaning.
On a roller coaster
"CACABARNNNN!!!!!!!!!!"

"hey, cacabarn, how's it goin? Dude, I did not steal your bubblegum, will you just let it go already?"

by Julia Marino May 09, 2006
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