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1.
beaverbox-A sexual term referring to a vagina, a secret word referring to a pipe(used to smoke marijuana), referring to a "knockoff" otterbox (iphone case), or to anger people by using a pointless and confusing word.
"Hey stop grabbing my beaverbox!"

"i couldn't afford an otterbox so i bought a beaverbox"

"i love to smoke weed from your beaverbox"

"beaverbox... X-( ???"
by BEAVERBOX GUY August 14, 2011
 
2.
normally found in any female bathrooms, the box located aside the toilet used to dispose of tramp napkins.
My boss had me clean the beaver box and i didnt wear gloves.
by myspace.com/allthatheavenallows December 03, 2005