The term 'Retartic' refers to one who is 'retarted', a 'retart', or 'tart' for short.

More specifically in the UK, being Retartic refers to an individual that likes to touch himself whilst watching Beetlejuice the cartoon.
Jez is being retartic, he's smoking lots of weed again and watching Nickelodeon.. look at the stains on his pants.
by rememberwhenyouputmeongumtree? November 20, 2009
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what people coin as "young love" and believe everything will work out the way they want it to.
young love is great isn't it?
No, nigga are you stupid, its retarded love.
what is retarded love?
retarted love is when you think love is everything in the world
by life in a nutshell January 19, 2015
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2 people of the same ethnicity (usually hispanic) which asteroid both bald, and extremely stupid
Me: Did you see those 2 retarted twins?
Mason: Who? Darrion and Eric?
Me: Yeah they’re retarted as hell
by BaldGekyume September 14, 2020
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