Fat Boner Blaster 

When you jerk off so hard to something you really aren't supposed to jerk off too, but you bust a fat nut anyways.

Me: Doctor! Help! I jerked off to something i wasn't supposed to jerk off to!
Doctor: Uhhh, What did you watch?
Me: Bandicoot pornos.
Doctor: Im sorry to say but, your dick is becoming a fat boner blaster.

Fat Boner Blaster by SnakeBoiWasHere September 1, 2019

Funny Boner 

When you hit you Funny Bone so hard you get a Boner

Person 1: yo what's up dawg *hits funny bone*
Person 2: damn dog did you just get a Funny Boner
Person 1: no, What the fuck are you on about *said In very agonizing pain*
Person 3: *opens door* *yells down hallway* it's when you hit your funny bone so hard you get a boner
Person 1: Really?
Person 2 and 3: yea dawg fr fr

Funny Boner by Jack P. Ness October 27, 2019

Loner Boner 

A loner boner is when you get a boner/masturbate to fictional characters because you're lonely and don't have anyone in real life

Guy 1 "Bro, I was playing Persona 5 the other day, and got a boner when i saw Futaba."
Guy 2 "Damn, i thought you said you had a girlfriend."
Guy 1 "I do."
Guy 2 "Then why did you get a loner boner?"
Guy 1 "¯\_(ツ)_/¯"

Loner Boner by visherin March 6, 2020

Hate Boner 

(noun) a hatred so evident it simulates a similar desire of a sexual aspiration. In other words, what Nathan has for Rudy Gobert.

Nathan: HAHAHHAHAHA LOOK AT THIS LOSER HAHAHAHAH BUM HAHAHAHAH HE SUCKS SO MUCH (24/7)
Angelo: Chill out with the hate boner, bro.

Hate Boner by VeanSSJ5 March 29, 2022

Trashy boner 

An unwanted boner which someone gets in a public place is known as a trashy boner

Karen called me a simp for getting a trashy boner

Trashy boner by someduck69 November 29, 2022

Railroad Boner 

A model train hobbyist who gets an erection to a train passing through a tunnel.

Tony was working on the railroad when a train came through the tunnel causing him to achieve a railroad boner.

Railroad Boner by Railfan22 February 8, 2023

Second degree boner

A boner (erection) received from something you are not actively involved in. It is used to describe how a boner is brought about.

"I totally just got a Second degree boner watching you two make out."

Second degree boner by raladical December 30, 2011