when you flip your erection up and tighten your belt to hold it close to your body in order to deter people from staring at your boner when you stand up

When ones penis is no longer erect, possibly either after blowing ones load, or just losing an erection. A semi-boner is often used for playfully slapping ones friends in the face while they sleep for a hilariously good time.

n. A psychological boner. Being extremely excited about something.

A boner is what a woman gets when she is excited. Only women get boners. Men get erections.

an exceptional scene culled from a pornographic film; the penultimate segment of a pornographic work

popularized by the film 'the 40-year old virgin' in which he is given a tape of sacred porno moments called "boner jams '03".

a special kind of laugh that some males have,a laugh that causes him to become 'engorged'. This laugh is usually triggered by a conversation or event which makes him feel superior to others. i.e. seeing someone fall, or catching a stupid mistake someone made.

Boner laughs are often present in males who have a superiority complex or lower social skills.

Apart from the obvious 'Tent pitching' some tell tale signs of a boner laugh include
*tilting the head back
*a deep gutteral laugh
(the louder the laugh the stiffer he is)

This is a job that someone is so in love with that they get a boner every time they're doing it.