Tard-Tacular 

Retardedly Spectacular = Tard-Tacular.

You are one fucking tard-tacular shit head.

Tard-Tacular by Mike's Lil' Elf April 22, 2003

turdtacular

The feeling you get when you take a huge shit.

After eating twenty-five donuts, the shit I took felt turdtacular.

turdtacular by Shaqburger June 30, 2003

tardacular 

1. The overdose of acting retarded.

2. A random outburst of stupidity

"Did you see John stack it in front of the whole school"
"Yeah it was Tardacular"

tardacular by UFC Banterweight Champion August 8, 2016

tardtactular 

Someone that is such a retard in every single way, that simply calling them a tard doesnt do them justice

Hey stupid?!? Can you comprehend a damn thing??? You are tardtactular man, seriously...."

tardtactular by Munkstress August 27, 2005