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n. a hot chic (esp. one who loves coffee and has a great smile)
I'm not usually a morning person, but when I see a sunbeam - it's not so bad.
by dbl0st3ph3en May 07, 2007
Slang for a cheery yet regrettably dim-witted and ugly person, usually a secret pedophile.
"Jesus don't want me for a sunbeam" - The Vaselines

"Don't take me for no sunbeam" - Babyshambles
by Melissa St. Clair August 14, 2009
A sunbeam is a cheery blonde girl who is more likely to be temperamental and vibrant on every day of the week.
Damn, that Brittney chic is a mutha fuckin sunbeammm!
by Peyton254 October 12, 2009
a clean, unused plate
can you pass me that sunbeam?
by bah January 02, 2005