a fat dwarf who has a high opinion of himself and spends all day trying to inflate his ego by writing his musings on the internet. Can also mean an avid fan of Avril lavigne.
John was a right twat, a total smess infact.
by Red Eye September 20, 2003
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n. To harass, beguile, or otherwise screw with someone by SMS.
1 txt: hey looser i 8 all ur klondike barz 2day

2 txt: wtf!!1! u best be smessing with me!
by portman2 June 21, 2011
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When you receive an SMS or TEXT message.
"Danielle just smessed me."
by Meecher January 1, 2005
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