(Canada, US, slang) With the buttocks exposed, as for a spanking or a mooning. / (Canada, US, slang, by extension) Stark naked.

(Canada, US, informal) Stark naked, completely nude.

(carpentry) A kind of hinge used in hanging doors, lid, covers, etc.; so named because fastened on the edge of the door, which butts against the frame, stop molding, and casing, instead of on its face, like the strap hinge; also called butt.

(Canada, US, slang) Slapping the buttocks (an action associated with jest or as in a locker room).

Alternative spelling of headbutt.

Alternative spelling of headbutt.

(slang, Canada, US) An unintentional telephone call made from a cell phone in a back pant pocket due to body movement or sitting down.

(construction, woodworking) A joint formed by adjacent, separate section of material, such as where two neighboring pieces of insulation abut.

plural of butt-woman

plural of butt woman