tard-on 

When a mentally handicapped person gets an erection.

A retard with a boner has a tard-on.

tard-on by EverynightJunglist May 24, 2009

Tard-on 

A hybrid word using the terms "Tard" and "Hard-on".
Tard = mentally handicapped or just plain stupid.
Hard-on = excessively strict or severe, not an actual erection.

When the words are combined, you get: a person who thinks they are in charge and are excessively strict and/or severe, however that person is or is border-line mentally handicapped and every ignores him.

John: Oh boy, Here comes Ted.
Ted: No talking during break time! My shoes hurt!
John: Ted, you're such a Tard-on!

Tard-on by Jason's shoes hurt! June 8, 2010

tard-on 

someone who gets so excited about Doctor Who

Alright, don't get a tard-on

tard-on by senor g-string December 1, 2010

tard on 

A hard on induced by a retarded person.

Dude, that girl from special ed gives me a raging 'tard on!

tard on by Billyclub Lenny February 7, 2007

Tard on 

Wore slick out

I worked a double shift today and I have a Tard on longer than a houseboat .

Tard on by anonymous March 5, 2021

Tard On

A person who gets sexual pleasure from over using the word retard in the hopes that it will offend someone

"you're a retard"

Chill out mate I don't wanna see your tard on, gross.

Tard On by Chickenbore June 1, 2026

full-on tard 

Doing or saying something so perfectly retarded that it is a dead on representation of retardedness. Often more retarded than an actual retard could be.

Wow, he is full-on tard by saying that.

full-on tard by Tom Buckley January 10, 2008