look up any word, like ratchet:
 
64.
this word can also be used in place of the word heatscore
that sure was some sketchy driving when you almost hit that cop.

that guy is so sketchy he's been selling cheese right under the cop's noses.
by CurvedMirror July 10, 2008
 
1.
1) someone or something that just isnt right.
2) the feeling you get the morning after usuing a lot of drugs, most commonly associated with extacy.
3) something unsafe
4) someone or something that gives off a bad feeling
i dunno, his story sounds kind of sketchy

i cant come in to work today, im sketchy

by tardo October 05, 2003
 
2.
Iffy. Questionable.
Sara is kind of a sketchy person to hang out with because she gets drunk a lot and she tends to get other people in trouble.
The directions on this worksheet are sketchy. I do not think that they are giving the correct information on how to multiply fractions.
by I_Love_Me November 08, 2004
 
3.
creepy, iffy, fairly unsafe, an air of uncertainty, not kosher, and just generally something or someone that you don't want to be associated with (or really do want to be associated with, depending on who you are...)
1. That guy staring at me is really sketchy.

2. This Waffle House is really sketchy.

3. I don't know if I like Steve's driving--it's kinda sketchy.
by The President April 04, 2005
 
4.
This expression was first coined in reference to hastily drawn out, or sketched, building/construction plans, which were uncertain at best and disastrous at worst. The overall thread of meaning is the same, but now applies to morality/legality. On the overall continuim of goodness, things progress, in order: safe, sketchy, shady, outright criminal.
Getting wasted and gambling away half your paycheck in Nevada may be legal, but its definitely sketchy.
by Al February 26, 2004
 
5.
A really shady character, not one you would want to meet in a dark alleyway
Did you see that guy back there? He was really sketchy.
by notafanofsketchypeople November 16, 2004
 
6.
1. Adj. - Describes a person that has taken too much Speed and has become untrustworthy and unpredictable.

2. Also used to describe a place or action that is worrisome or unconfortable.
1. I am not letting that Sketchy-ass Sketcher borrow my car. He's a Fuckin' Speed Freak.

2. 6th Street is pretty sketchy at night.
by Tony B. March 19, 2003
 
7.
Acting in a manner that is erratic, unpredictable, or untrustworthy; accompanied by paranoia, nervousness, and fidgeting - usually associated with meth users.
"Jeez, that guy was sketchy. I bet he hasn't slept in days"
by Ryjin June 18, 2005