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1.
well-styled ass hair. Similar to an all-natural, home-grown back mirkin.
"I was givin' her the ol' "Charlston Chew" when I realized she had fantastic trum!"
by Sloots July 12, 2006
 
2.
(verb): to hum and dance around while singing and inserting the word "trum" for any unknown lyrics to either a song you know or a song you just made up.

trummed, trumming, trummer
"This riff-licious, melody-driven heartache of a song makes me want to trum up, down, and all around."
by Tokyo Greene June 25, 2009
 
3.
A term used by our friend CJB to reference her vagina
"Trum is your thang, it's the P word I just don't like saying it" -cjb
by B.rizzle July 16, 2012
 
4.
some annoying person who doesn't get off your lawn
Hey you dirty trum get off my lawn!
by gekkostatego May 06, 2008