The act of bunning (blazing) then participating in the act of cuddling right after.

Buddle came from the words Bun and Cuddle.
BU(n)- (cu)DDLE

A person with an outwardly dominant, masculine, or aggressive personality, but who also enthusiastically takes on the submissive or "bottom" role in the bedroom.

cuddle + buddy = buddle

A bum cuddle where the bum is cuddled and used as a pillow.

More commonly known as a butt hole.

When your pet cat turns it’s hind-side towards you, raises it’s tail and nestles it’s b-hole upon you in the purest display of affection known to the species. Prime target areas include the lap, hands, crotch and face.

Cooler, shorter way of saying butthole.