Something that just doesn't feel right. If it makes you bob your head side to side, squint, and say, "ehhhhhh", then it's probably sketchy.
by angryggggg September 19, 2009

when a person is kind of shady, they are sketchy. when you are not sure what a person means by something, that is sketchy too.
It was sketchy when bobby lobby showed up in random places all over the ship, giving people the impression that he was stalking them. gabriela also showed a lot of sketchyness when she said that her skirt made her feel loose.
by gabriela August 1, 2004

Often used in skateboarding. Describes the rider as unsteady, a rider with lack of control over the board.
by toba July 17, 2003

Somebody who does inexplainable shit, says random things and has little to no short term memory, generally messed up from drug abuse.
1. You sketchy fuck!
by King L July 20, 2003

A CRACK HOE THAT WALKS UP AND DOWN THE STREET IN SPANDEX TURNING TRICKS FOR A DOLLAR OR TWO. sHE ALSO LOOKS LIKE SHE HASN'T EATEN ENOUGH IN YEARS AND THE SPANDEX IS LOOSE.
by IPSEY August 24, 2008

the adjective describing someone who is sneaky and manipulative. a liar and cheater with alot of hoes.
aka kyle k. - "Brittany, i swear your the only girl, i promise."
2 minutes later
"Yo aubrey baby, always and forever, were all each other needs at the end of the day baby."
Kyle is being sketchy.
2 minutes later
"Yo aubrey baby, always and forever, were all each other needs at the end of the day baby."
Kyle is being sketchy.
by Your Girls May 30, 2008

