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2 definitions by Dwaine Howe

The sexual urges one feels when one is on ecstasy. See mad dog.
Rob has been sniffing around that girl all night. He has been bitten by the horn dog for sure.
by Dwaine Howe July 12, 2008
Slang word for the drug MDMA, so called because it has the tendancy to turn you into a slavering, but friendly, alsatian.
You should have seen Ben, he was gurning his tits off on mad dog
by Dwaine Howe July 12, 2008