Buttwings are small wings that can be found on the rear-end (butt) of something; they are generally found on non-existent things like Victini and anything that's free to buy.
Victini has a pretty prominent, but small pair of Buttwings that allow it to fly around and cheat the laws of physics.
1) Sexual foreplay in which the anus is stimulated by the tongue and lips.
2) Sexual foreplay in which the vagina of a hobo is stimulated by the tongue and lips.
1) Matilda was surprised when Charlie started performing bumilingus on the dance floor.
2) "I performed bumilingus on that tramp 'cause I didn't have any spare change."
A slang term for "Chronic Anal Candidiasis", or in infection caused by a fungi growth on the anal pore. Not unlike a yeast infection, the symptoms include severe itching/burning and a smelly fuckin' white discharge.