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1.
The act of having a massive erection for Conan O'Brien.
My coner boner was so huge last night when Conan stripped nude and started eating jelly beans!
by ConeyIsland69 February 27, 2013
 
2.
The way of putting an ice cream cone on your dick and use it as a condom
Dude some guy at school used the old coner boner on his girlfriend.

lol thats funny man
by timmmmah March 04, 2012