instaboner 

1 a woman who gives you a boner instantly
2 the act of getting a boner instantly

1 "Damn look at that chick she is such an instaboner"
2 " I just got an the biggest instaboner"

instaboner by Zmoney November 30, 2005

instaboner 

Noun.

When a male's penis gets erected extremely fast, almost instantly.

When Jennifer Aniston offered me a blowjob I got an instaboner.

instaboner by marcus ownz biatch May 29, 2007

Instaboner 

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.

John: "Did you see Jennifer Lawrence dancing in Silver Linings Playbook...?"

Sam: "No, was it hot?"

John: "Something I like to call, Instaboner"

Instaboner by Jack Salot December 29, 2013

instaboner 

when you see something that you like and you get an instant irection

Man when I saw that girl I got an instaboner

instaboner by marcus102893 February 20, 2009

instaboner 

boner brought on by the very mention of the actress from "Precious"

I was watching that movie last night, and got the gnarliest instaboner.

instaboner by harlandclarke August 28, 2010

Instaboner 

1. (n) A person who gives a male a boner the moment he looks at her.

Wow, with those boobs, she is an instaboner.

Instaboner by VinnyM76 March 31, 2009

Instaboner 

When an erection is formed instantaneously, usually as a result of interaction with someone of unprecedented attractiveness.

James tapped me on the shoulder earlier, I got an instaboner.

Instaboner by CortaEsaCiudad March 15, 2015