(shh-ah-Nah-stE) adj. a discription that represents the best of something...more awesome than awesome ever was...if badass ever thought of being shanasty it would wake up and apologize
Man: I got laid last night
Friend: Really how was it?
Man: She had some ShaNasty ass pussy.
Friend: wow man you better put a ring on it if it was that good.
a) A Character on the Red Skelton Show.
b) A ladies' man.
c) {From the Greek} "Bolivus Shagnasticus", roughly meaning, "One who floods" (It was the title of a roman dictator roughly around 120 AD.)
Bolivar Shagnasty was a funny character!
Man, that Nathan kid sure gets all the ladies! He's a real Bolivar Shagnasty.
Bolivar Shagnasty is a real Flooder--he sure knows how to make it rain.
A man of low standards in reguards to sexual partners. A true Shagnasty will quite happily have sex with someone he finds physically repulsive. A shagnasty never admits to sleeping with ugly girls and to most peoplemay seem completly celabet.
"you hear about john?"
"what happened..?"
"He got caught at the old peoples home trying to organise a geriactric orgy."
"lol, that guy's a shagnasty"