a sick one

If you get a party favor after 2am it is considered a sick one.

"What did you do last night?"
"I went on a sick one..."

by Aria Darling January 11, 2023

On a sick one

Someone Extremely high, on their own personal mission, totally blowing it; obviously high having lots of fun without a care.

Billy is showed up with his truck entirely repainted, he must be on a sick one

by Sickfn December 3, 2016

Off a sick one

Can be used in either a positive or negative context:

Depending on the temperament of the individual using it.

- Most commonly related to the phrase “on a sick one”

- “ off a sick one” means the person/object/or situation you are referring to is extra-ordinary. Or not the normal. Out of the baseline.

“Yo my uncle beat me, he is off a sick one today”

“My roommate bought a 30 rack he is off a sick one.”

by 10E03 October 21, 2025