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1.
515
the Des Moines/metro area. derrived from the central Iowa area code.

see also: 515 alive and dead moines
I currently reside in the 515.
by Emi Vilks January 14, 2008
 
2.
515
Much like 210; 515 is a "code-name" for Eating Out a girl. 5 represents the fifth letter of the alphabet: E; 15 represents the 15th letter of the alphabet: O.

The actual act of eating a girl out is when some one goes down on a girl and licks/sucks/nibbles varied parts of her pussy; usually to make her cum.

Many claim this to be a delicious "meal"; hence the term "eating out".
515
by joybby February 18, 2009