Main Entry: elev·en·teen Pronunciation: i-'le-v&n-'tEn
Function: noun
1) The real number eleven (11) with the prefix -teen added to coincide with the naming scheme of numbers ending in -teen (13 through 19), used to convey uncertainty & fictitious ambiguity.
2) Used as sarcasim or in a sarcastic responce or insult.
3) Can also be used to describe a preteen.
1) I can't remember when I learned to ride a bike, I must have been about eleventeen or so!?
A number so large that it isn't found on any numeric scale. It is also presumed to be infinity plus one. It is used to describe when something has been done to great redundancy.
Damn, thats your eleventeenth time wearing those busted upkicks! BUY SOME NEW SHOES