Meaning of ISH in English
1. synonym for shit . Typically appears in censored edited-for-radio versions of hip-hop songs. It has entered into wider usage. Sample usage: "You can't even touch my ish!" ("You can't even touch my shit," as in "You're nothing compared to me.") Submitted by Chris, Brooklyn, NY, USA, 22-12-2002.
Slang English vocab. Английский сленговый словарь. 2012