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That shirt is sick-nasty!
by Whoozy November 21, 2002
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An action or event that is deemed as "Totally awesome."
Tony Hawk's 900 was Sick-Nasty!
by sickoB0b November 16, 2005
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When something is super awesome/cool/tight/sexy... etc

since two negatives makes a positive (sick- bad, nasty- bad= good)
That board is sick-nasty.

Everything that dosn't involve __________, is sick-nasty.

Your mom is sick nasty.
by reveingiallo March 7, 2008
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Contrary to its wording. Sick-Nasty is a good thing. It means that something is so cool that it is sick but at the same time nasty because you want some of it.
Kevins girlfriend is sick because she acts just like a guy, but then nasty because we want to f*#$k her, therefore making her Sick-Nasty.
by Pulchunk September 17, 2008
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sick nasty disgusting

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Although this phrase sounds derogatory, it is in fact a very, very positive thing. It is used the same way as "cool," or "awesome" in modern language.
Guy: "That nollie mctwist backflip was sick nasty disgusting!"
by Ugly Dude Guy May 24, 2008
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Sick Nasty Awesome

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The greatest thing since bagged potato chips. On point. Can be used to describe a person, place, or thing.
1: "Dude, I love your new car! Thats so sick nasty awesome!"
2: "Have you ever been to Salt Lake City? Its so sick nasty awesome!"
3: the definition of oral sex... Sick Nasty Awesome!
dope
chill
cool
bad ass
by xCURBCHECKx February 2, 2010
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sick nasty bro bro

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Generally from the nothern california region. One who drives lifted trucks with nor cal stickers on the back window. Not to mention rides motocross or bmx. They often wear DC shoes, long socks, small shirts, generic spy sunglasses, dickie's shorts with studded belts and oversised belt buckles. Popular brands worn by SNBBs would be fox, shift, skin, famous stars and straps, DC, etnies, and dickie's. They usually wear undersised shirts and have strange tatoos and piercings.
Billy calls things "hella sick" and fits the discription above. Little Billy is a sick nasty bro bro.

Trevor enjoys wearing fake lip piercings and riding his motocross bike. Trevor is definitely a sick nasty bro bro.

Timothy idolizes rick thorne and travis barker, he is probably a sick nasty bro bro.

A characteristic or thing that fits the sick nasty bro bro style, or is just flat out stupid can also be called sick nasty.
by Matt Hurko August 23, 2006
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