The combination of 3 words; vagina, bussy, & anus. It is great to use in an insult, or wherever you feel “Baginus” looks right in a sentence.
Moose: Hey man, cook me up some chicken tenders will you?
Walie: *sniff sniff*, bro what is that smell?
Moose: ?
Walie: Bro you smell like fucking Baginus
Moose: DAMN that bad??
the cross between a dick and a vagina.
a vagina that only contains one testicle.
"Yo Boja Cat! I heard you're packing a baginus!"