SIN actually stands for Sexy Irish Nerd. By definition all irish guys are sexy; however, only a elite few are actually sexy irish nerds.
by Dave (aka "THE SEXY IRISH NERD") May 5, 2004
Get the SINmug. 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.
by Zandroid August 18, 2017
Get the Sinfulmug. by kirbykirby64 October 16, 2011
Get the SINsmug. "Solo in neglection" an outcast of a crew, gang, group, or simply an individual that is anti everyone.
by Fergisun November 26, 2007
Get the Sinmug. "Hey dude, get off the .sin, it's making us lag."
"I'm feeling frisky, I'm going to watch some .sin"
"I'm feeling frisky, I'm going to watch some .sin"
by Uruwashii November 29, 2009
Get the .sinmug. by someone on the date of : April 17, 2019
Get the Sinmug. by SiN|YourMom December 14, 2003
Get the SiNmug.