Japanese word meaning "extra". It refers to extra things that are submitted to go along with a particular impro, such as artwork or side stories. "Omake" usually refers to stories in particular, as contrasted with fanart.

Bonus animation included on a videotape or DVD; a close American equivalent would be the animated shorts once commonly used to front movies. This bonus animation often features superdeformed characters.

extra. Creators frequently add small, funny, and occasionally surreal stories onto manga or anime. Characters will act absurdly, go super-deformed, etc.

a seperate animation short of sorts that the staff did in addition to the series that is meant to be random or just hilarious

Additional or bonus footage found at the end of some anime, such as eye-catches, interviews, or just extra comedy clips.

extra/bonus

A Japanese word used to describe things that don't really fit into categories. Often used to describe hidden DVD extras, random sketches or bizarre extras that appear in manga and anime. Pronounced 'oh-mah-kay'

Comedic shorts added at the end of anime which usually add more information or characterization to the story in a humorous manner.