lose vi.
1. [very common] To fail. A program loses when it encounters
an exceptional condition or fails to work in the expected manner.
2. To be exceptionally unesthetic or crocky. 3. Of people, to be
obnoxious or unusually stupid (as opposed to ignorant). See also
deserves to lose. 4.
n. Refers to something that is losing, especially in the phrases "That's a
lose!" and "What a lose!"