Retarded Animal Babies is a site of newgrounds.com which is very amusing. Sadly, epiodes aren't being made anymore, but if you watch ANY of them (might be good to start at the top and work to the end to get the jokes) its pant-pissing hilarious. Anything these little critters say is quotable material. Everything.
To consume intoxicating alcohol or drugs to the point where you are incapable of verbally communicating past incoherent mumbles. Motor skills are also severely hampered thereby giving the overall impression of severe retardation.
A person who is extremely intelligent but has difficulty functioning in the real world. Referring to Mensa the organization of people scoring in the top 2% on IQ tests.
He is so mensaly retarded, he can discuss physics but he can't operate a can opener.