Derivative or diminutive of sick or ill.

A way of speaking used to indicate sickness in a cute way; amongst friends and family members (esp when small children are involved).

Sicky can be interpreted both as being physically ill, or a mentally warped idea; but the majority uses the word to describe physical illness.
It's cold outside, and I'm feeling kind of sicky today!
by Fukaface! December 15, 2010
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When a person is sick from illness or disease
The flu has Justin feeling sicky today.”
by sobeit1786 December 7, 2018
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When someone or something is very awesome.
Ryan: I failed this test!

Ethan: Well, i got perfect.

Ryan: wow, sicky bro
by metropre April 26, 2011
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A sick day that you take when you just don't feel like going to work or had too much to drink the night before.
"Dude, I was so hungover this morning, I pulled a sickie"
by Flo January 28, 2004
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'To pull a sickie'
Taking time off work under the false pretence that you are sick, when really you just can't be arsed to go in. Sickies also often pulled when hungover or when you've run out of annual leave.
'I can't be arsed to go in. I'm pulling a sickie'
by PPQ January 10, 2005
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To take a day off work
I'm feeling crook so Iam going to take a sicky
by Peter Brussey September 2, 2003
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