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1.
One of many gurnjuries a drug taker may recieve after taking amphetamines/narcotics and other drugs. Particularly associated with MDMA and ecstacy, Charleston Lip is where ones lips change colour, swell up or generally change their appearance in response to the drug.

Symptoms may include:
Purple/red/pink lips
Chewed lips
Intense gurning

Synonym for gurning

Named after the infamous Charles Soares
"Charles is chewing his face off again, must be a case of the old Charleston lip"
by Fifi1989 June 20, 2011