by Zmoney November 30, 2005

by marcus ownz biatch May 29, 2007

by marcus102893 February 20, 2009

by harlandclarke August 28, 2010

Contraction of the words Instant and Boner.
When you see something that makes your penis go from zero to sixty in only a couple seconds; extreme, instant arousal.
When you see something that makes your penis go from zero to sixty in only a couple seconds; extreme, instant arousal.
John: "Did you see Jennifer Lawrence dancing in Silver Linings Playbook...?"
Sam: "No, was it hot?"
John: "Something I like to call, Instaboner"
Sam: "No, was it hot?"
John: "Something I like to call, Instaboner"
by Jack Salot December 29, 2013

1) A word for a phenomonally hot male
2)A word for the feeling you get when you see the aforementioned male.
3)A comical sighting of a male erection at an inopportune time.
2)A word for the feeling you get when you see the aforementioned male.
3)A comical sighting of a male erection at an inopportune time.
by Michael Carrier July 27, 2004

by VinnyM76 March 31, 2009
