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an STD caused by a small person with a ham sandwich. usually attracts weasels in large numbers that will probably gnaw your face off.
small person:(puts ham sandwich in most amazing person's hood)
most amazing person: OH NO!!! DO YOU REALIZE WHAT YOU HAVE JUST DONE?!?!?!??!!
(weasels come and maul the most amazing person all because the small person didnt think that hammich was an STD
by themostamazingbrian May 13, 2008
Ham + Sandwich = Hammich

Girl #1: Hey, I gots a tasty hammich!

Guy #2: That sounds like an STD.

Girl#1: WELL IT'S NOT!!!!!!!!!!! *twitch* *twitch* *foams at mouth*
by Ai-chan May 09, 2008