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to hang around doing nothing aka loitering.
A: "so what are we gonna do today? I'm broke"

B: "yeah same, lets just ilch around the city"
by Tbish March 31, 2009
9 1
A term that is shouted out if someone is abou to be caught doing something wrong.
my mate was stealing something and the shopkeeper was looking at him , so i yelled out 'ilch' and he bailed without being caught
by kev11n September 09, 2007
6 5
A word said when pondering an impossible and/or disgusting task. A combination of "Yipe!" and "Yuck." A word begun at UMKC by Jennifer
"You have five exams in one Monday? ILCH!"
by Jennifer Nielsen September 15, 2007
3 6