Top definition
When your bald ass fucking friend won't go mountain biking with you.
Ahhh, common Yani, you're such a deboost for not biking today!
by yani is katchal April 21, 2011
Get a deboost mug for your buddy Sarah.
Jun 16 Word of the Day
Abbreviation for “Dude Arguing Online”.

Plural: “DAOs”

Coined by Twitter user @karakittel.
Would the internet exist without DAOs? Sadly, I don’t think so.
by monkeylabor June 13, 2021
Get a DAO mug for your sister Rihanna.
2
To shutdown a machine, typically a computer. Opposite to reboost
I am going to have to deboost this computer because it has completely locked up!
by Clifford H. Boost November 27, 2006
Get the deboost neck gaiter and mug.