The cardinal number occurring after ten and before twelve. Represented as 11 in Arabic digits.
(cricket) A cricket team of eleven players. Hence first eleven - the team of best cricket players (at a school), second eleven - the "B" team, etc.
(soccer) A football team of eleven players; the starting lineup.
(Internet, slang, sarcastic) Deliberate misspelling of !!. Used to amplify an exclamation, imitating someone who forgets to press the shift key while typing exclamation points.
A term used in us slang to describe an exceptional specimen, particularly a physically attractive person, or a very high level of intensity, exceeding the scale of one to ten.