Abbr. for 'stupid idiot'
by Nige Menzel May 24, 2007
Abbr. for "self-injury," also known as self-mutilation. Most common form is cutting, but may also include burning, bruising, skin-picking (excoriation), and other behaviors. There is no single cause for SI. SI is most common in women and tends to persist for years.
by rieux November 27, 2003
by Injuried November 07, 2010
by Dj gs68 September 23, 2003
by jake lowe February 11, 2008
A term often used when talking about mental health treatment meaning suicidal ideation or suicidal thoughts
My SI had been chilling lately
by Bitchbotch June 22, 2019