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1.
Opposite of paedophile. A young person who finds the elderly sexually attractive.
Andrea fancies my grandad - what a gerophile.
by ciaraCHAOS June 10, 2007
 
2.
A person who is sexually attracted to the elderly, or seniors.

Some people are only gerophile because their favorite rockstars are now old, but they are still in love with them.
by JimmysTangerine October 15, 2008
 
3.
an juvenile who is sexually attracted to the elderly.
Hey gerophile put your boner away, grandmas here!
by Mr. Dr. Sanchezter Ze Molestuu March 13, 2011