look up any word, like cunt:
 
15.
Sim
A person with almost non-existent eyes that defy logical reasoning. Also used to explain the phenomena of closed eyes in photos, or the act of closing your eyes since the size of the eyes during sleep will be bigger than that of a Sim.
Look at that guy! He's Simming! I can hear his snoring.

He's simming in the simming pool! We should really go and save him because he'll drown if we do not pry his eyes open soon!
by HYPERBEAN November 26, 2010
 
16.
Sim
Sim is another word used for sex in many parts of the world..
Husband: Want to have sim tonight honey?
Wife: No thanks i had sim with your brother yesterday... Woops
by Gforce1001 July 30, 2009
 
17.
SIM
Short for Singapore Institute of Management. Somewhat-major school in Singapore that deals with business-related courses. Has two campuses.
To get to SIM I need to take MRT to Clementi and hop on bus 154!
by Z' June 07, 2005
 
18.
sim
usually used in short text format to be a little sick in your mouth. Usually after having a shot of alcohol or downing a drink. sometimes produced from burping
little sim from 2 shots of Jäger. noooice
by wassat June 21, 2010
 
19.
SIM
acronym for Skype Instant Messenger.
Yeah, we have been SIMing all night.
by a. warman November 02, 2009
 
20.
SIM
SIM acronym for "Sex in the Mouth"
"Eating that chocolate was like SIM"
by Sherrie_Lynn July 10, 2008
 
21.
sim
SIMMMMMMMMM
sim is yes!!!
Ed: You sure you want to go?
Bob: simmm
by Bruceh June 06, 2005