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1.
The reason it's illegal to date a 30 year old when you're 13 or be molested by a 30 year old when you're 13. Pretty much self-explanitory, the difference in age between two people.
You're 13 and you're dating a 30 year old?! Isn't there a sleight age difference??
by Tom DeLonge_Lover July 08, 2005
 
2.
determined by the interim in which an official learners permit is recieved. a.e. I got my permit two years before you, therefore I am two years older than you.
The age difference between us is two years (oh pwned sammy)
by axel foley June 20, 2005