When you turn and begin jacking off in secret from your friend, then turn just before climaxing, yell surprise, and shoot your load into his/her mouth.

A childrens toy commonly used for office warfare.

A sexual toy used to shoot a detachable penis into the vagina.

The Pre-Evolved form of Airsoft Gun or otherwise know as a "pussy gun"

Nerf gun sex is were you invert your penis into a nerf gun

A toy gun by Nerf that shoots foam out of the barrel by a trigger

Something to shoot your brother with.