by Qrez October 13, 2017

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

Hym "If having a near perfect ability to perceive reality is mental illness then what do we call everyone who isn't me?"
by Hym Iam March 7, 2023

A generic and feeble excuse that was highly exploited during the pandemic as to why something will not happen within an agreed timescale, maybe will never happen at all or to explain someone's non attendance at a meeting, event or function.
Dave apologises for not being able to attend baby Tarquin's christening today.
Yes it's really disappointing his missed Tarquin's big day has he said why he can't make it?
He just said it was due to illness.
Yes it's really disappointing his missed Tarquin's big day has he said why he can't make it?
He just said it was due to illness.
by Another pseudonymal August 3, 2022

I was holding pocket aces and pushed all in preflop.I was snapped called by Mike who was holding the mic ill and I was brought to my knees by its awesomeness and defeated. nh sir
by Royal Brunson July 16, 2007

Anything of extremely awesome proportions. Proposed to combine two great things--money and butt--both of which are totally rad. Money, as everyone knows, may not buy happiness but it sure can buy some cool gear. And butt, need one say more?
Brohamuel A: Dude, did you like that sick longboarding sesh we had the other day?
Brohamuel B:Ya bro, it was totally ill money butt. Let's go check our butt mail, see if some hoes are on the line.
Brohamuel B:Ya bro, it was totally ill money butt. Let's go check our butt mail, see if some hoes are on the line.
by Abdul CC Rat September 15, 2009

by Silly Siblings August 11, 2008
