look up any word, like bukkake:
verb: when an old lady (or man; we don't like to discriminate) gives you head without wearing dentures.

origin: Some guy who lives on "Gumwood Road" gave me the idea
"dude, your grandma just gave me the meanest gumwood. i came in like 2.5 seconds"
by faNayNay69 January 18, 2013