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Rural PA slang for " pills ". Any pain pills such as oxycontin, vicodin, percocet, and so on. Illps are also known as illpocet clearly refering to percocets.
Joe : " I could really use a stress releiver right now "

Bob: " Let's go get some illps, i'm feinin "

or as an verb....

Joe : " you look fucked up "
Bob : " yeah, i'm really illped out right now "
by avgjoe11dipset November 28, 2011
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