When a person suffers from trauma after unexpectedly coming into contact with a large nipple - sudden unexpected nipple syndrome
Eddie face timed his daughter who was doing fake tan at the time and accidentally flashed a nipple.. Eddie is suffering from - sudden unexpected nipple syndrome - SUNS
by Nerak yarrum January 17, 2016

A parody of "sudden adult death syndrome" that suggests there is no such thing as SADS, but that in fact adults are dropping dead as a result of being vaxxed.
A: Did you hear that John died of sudden adult death syndrome?
B: More like he died of sudden "I doubt" death syndrome.
B: More like he died of sudden "I doubt" death syndrome.
by The Gideon Lion June 23, 2022

Jerry: 'What did he die of?'
Mike: 'Sudden Instant Death Syndrome (S.I.D.S.). His parachute didn't open and he died on contact.'
Jerry: 'Shitty.'
Mike: 'Sudden Instant Death Syndrome (S.I.D.S.). His parachute didn't open and he died on contact.'
Jerry: 'Shitty.'
by jonnywords October 27, 2011

"Don't be a sod."
Billy: Hey dude, wanna go to the movies today?
Todd: No dude I got in with the wrong crowd, now I have sudden onset douchebag syndrome.
Billy: Hey dude, wanna go to the movies today?
Todd: No dude I got in with the wrong crowd, now I have sudden onset douchebag syndrome.
by Toddthedouche January 13, 2011

by Kamaren Robinson January 1, 2021

A mild illness that comes very soon after another mild illness. For example, when you have a flu and about a week before you had strep throat. The reason it's called sudden death is because it's the second round of your illness problems, as it were, and also it makes a morbid pun.
She had a sudden death illness that day, and she was sort of bummed, because that day she'd missed a big potluck at the community center.
by A. Square May 19, 2014

When someone, through some means (usually weight loss), gains a large and sudden boost to their confidence that turns them into egotistical dickheads. It can also exacerbate egos for people who were faking it and now that they have real confidence it makes them appear like they're bragging all the time.
Fella: Hey, did you see that Gary lost a ton of weight recently?
Mate: Yeah! Notice how he hates fat people now? And he scoffs at chicks that he previously would have crawled dick first through a valley of glass just for them to notice him?
Fella: I have!
Mate: Ya boy's got a bad case of Sudden Onset Confidence Syndrome.
Mate: Yeah! Notice how he hates fat people now? And he scoffs at chicks that he previously would have crawled dick first through a valley of glass just for them to notice him?
Fella: I have!
Mate: Ya boy's got a bad case of Sudden Onset Confidence Syndrome.
by RussNuts July 16, 2019
