Top definition
someone who makes stupid mistakes or acts like they have half a brain on occasion, though is generally an intelligent person.

formed from an abbreviation of SPecial EDucation and the word MASTER to clarify just how extreme of a sped that person is.
me: 'i got in the shower last night, and it was really foggy, even though the water wasn't very hot.... it took me like 30 seconds to realize that i was still wearing my glasses. >_>'

friend: 'haha, spedmaster moment of the day!'
by longingforalollipop September 16, 2010
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Aug 9 Word of the Day
Large, beautiful breasts that are keep well consealed and initially appear to be much smaller and less impressive than they actually are until unleashed.
I think Alicia may have some real sleepers.
by KABT October 26, 2007
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