Someone who is incompetent and generally gets nothing accomplished. Often used to display a contemptuous attitude towards a person of this nature.
The oft-used: "Goddamnit Sid!"
by joned March 01, 2007
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Small Irish Dick Syndrome - Being of Irish decent and having a less than average sized penis.
Billy (with a lisp): Quinn is such a hot red-headed nugget daddy. I'd love to take his dick..
Bob: Quinn has SIDS. So you're not going to get much of a ride out of that!

Billy: Guess I'll have to suck on his pacifier instead!
by Skawt September 19, 2018
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Dr Toepfer was speaking at the launch of a Unep report on the plight of small island developing states, known as Sids.
by Chris January 06, 2005
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SID-Sad Irritating Dude

SID is basically the class nerd.SID is the type of guy to remind the teacher about the homework
Bob:Miss you forgot to take in the homework

Felix:Stop being a SID
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Graham: i dare you to drink that sid
Dave: Na bruv, i'm not a pleb
by Inbetweener January 14, 2010
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Based off Sid the Sloth from Ice Age

When someone tries to do something nice for someone down on their luck, but they make things worse. Sometimes much worse.

Like Sid the Sloth.
Can you believe he got her a puppy after her son died? He’s such a Sid.

My house burned down! Why did you buy me a fire detector? Stop being a Sid!
by I_caveman August 21, 2019
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