headbump

== English == === Noun === headbump (plural headbumps) A light nudge or bump done with the head as an affectionate gesture, typically by an animal. A naturally-occurring bump on the cranium, especially as analyzed in phrenology. === Verb === headbump (third-person singular simple present headbumps, present participle headbumping, simple past and past participle headbumped) (especially of an animal) To nudge or bump with the head as a gesture.