A house pet, generally a dog or cat, that manifests a coarse, brutal, filthy, or degraded nature when the owner's back is turned, or when guests are present.
Ow! Your fuckingcat was hiding in my coat! Give me a call when you've taken that beastimal to the taxidermist.
Female orgasm derived from stimulation of the breasts, especially the nipples. Caused by a range of activities, from sucking to tittyfucking. Not experienced by all women.
girl 1: Wow, Corey gave me such a breastgasm last night!
girl 2: Damn girl, I can't breastgasm..