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Suh dude is a very unique way of saying "what's up dude?".
It can also be pronounced "asuh dude".
People often add a laughter before saying "suh dude" so it will be like, "ahahaha SUH DUDE" and the other person will slightly squint their eyes and reply "aha suh dude".
"Suh dude"
"Suh"
"Hahaha"
"Duuuude asuhhhh"
"Suuhhhhh duuude"
by Munchie slayer September 25, 2016
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An alternate way of saying "sup dude" but when you're high af. Keep in mind your voice has to sound like you have a penis In your rectum and you have to smoke good weed for the best results.
*hits blunt*

Stoner 1: Suh Dude
Stoner 2: Dude, Suh
by ButtMasterHurteson October 07, 2016
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4
Pronounced "saw due." It means hey, or what's up?
"Suh dude!" Said Nick. "Ha, suhhhh!" Said Getter
by Borashaw July 18, 2016
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A quote where you say "what's up dude" like you smoked 25 kg of weed. You can also say it like "asuh dude".

Pronounciation: /əsə do͞od/, /sə do͞od/
Wesley: "Ah, ah, asuh dude."
Ben: "Suh dude."
via giphy
by ItsYaBoiMrKrabs December 08, 2016
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A retarded version of 'What's up dude?'. This is typically used when people can't be arsed to say the full sentence.
Matt: 'Suh dude!'
Michael: 'What's up'
by CHLAYMDIA May 22, 2016
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7
What fuckboys say to greet other sentient critters.
E.g.
Fuckboy 1 walks past a Venus fly trap
F1: Suh dude
Vft: yo
via giphy
by Mark Ockersbig August 01, 2016
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