Sextardation/Sextarded.
The state of mind postorgasm where you both can only function with an IQ of 54.
Temporary effect of or being in a state of temporary retardation due to great sex.
My god, I was totally sextarded last night after my girl was done riding me! I mumbled gibberish and couldn't even walk for 10 minutes!
Used to describe a person without street smarts; i.e. lacking the common sense required to deal with the potential dangers of real life outside of school.
1: Sure, he gets straight A's and all, but he's extremely streetarded.
2: Damn.