Sin

A guy that is very hot.

"Did you see the new hottie?"
"Yes he is a sin!"

by starpphire November 2, 2011

SIN

SIN actually stands for Sexy Irish Nerd. By definition all irish guys are sexy; however, only a elite few are actually sexy irish nerds.

I am in love with a SIN.

Dave is a SIN.

by Dave (aka "THE SEXY IRISH NERD") May 5, 2004

sin

the shortened form of the word assasin, commonly used in ragnarok online, maplestory, etc.

eg.
Warrior: damn man, check out that sin, he hell ksed that mage.
Archer: yer man, sins pawn every1!

by ghost faced killa July 6, 2006

sin

The act one engages in when one is just finally beginning to have fun.

When finally the hard-working Mennonite had enough money to feed his family, he paused; knowing gluttony to be a sin.

by Shanya Almafeta May 8, 2003

sin

Self-Inflicted Nonsense

It’s a sin to kill a mockingbird.

by theJT October 21, 2009

Sinful

Term used by the spiritual and religious community for 'evil' actions deemed to have a somewhat deserved unforetelling or difficult circumstance. Usually linked to 'fleshly' behavior or desire.

His sinful action caused her to benefit in alimony.

by Zandroid August 18, 2017

SINs

Small Indian Nipples (Basically the opposite of BBTs)

DAAM LOOK AT THE SINs ON THAT GUY

by kirbykirby64 October 16, 2011