A boner in relation to a chad or from a chad
Tom brady kissing other men gives me a real chad boner
When she bounces on that dick like it's a pogo stick.
Yo babe you down for some boner pogo tonight?
When a guy gets hard just from light physical contact with or just being around a person that he is crushing on. It happens without warning and can sometimes create an awkward situation if the other person notices.
Jimmy: Hey Daniel! Me and Jessica are having an arm wrestling contest. Do you want in?
Daniel: Nah, with Jessica there I'll just get another Accidental Boner.
Jimmy: Jessica is pretty hot. I understand.
A crease around the crotch area in your pants/shorts, ect. that makes you appear to have a boner when you don't actually have one.
Tim: Is that a banana in your pocket, or are you just happy to see me?
Jeff: Oh, that's just a boner crease!
When a female finds something either sexually arousing or expresses much interest in something (usually food) that a male would typically agree with.
Example 1
Boy: Katie was sooo hot when she kissed Mandy
Girl: omg that just gave me a theoretical boner!
Example 2
Boy: Did you hear they have deep-fried twinky's at the fair this year?
Girl: Wow the thought of a twinky deep-fried gave me a major theoretical boner!
Two men stand across from one another holding the other's flaccid penis. Each commits acts in an effort to arouse the other man. Tactile stimulation is prohibited. All others forms (eg talking, body language, seductive eye contact). The first man to become fully erect looses.
Bro, remember that time you lost Boner Chicken because Mike had that jug of milk?
An erection caused by someone you're not supposed to be attracted in the first place, eg, teachers, cousins, hot aunty, your best friend's mom or your best friend.
'Dammit, your second cousin is freaking hot.'
'i know, she gives me forbidden boner all the time'