The best seats in a movie theater. These are the two middle seats of the row 1/3 of the way from the front of the auditorium to the back (in general). In a well-designed theater, these seats are the best, regarding picture (best view), and sound (where the 5.1 speakers are concentrating their sound). ("spo" is believed to stand for "sound pressure optimal".)
Person N-1: So, where are we sitting?
Person N: Spo, of course. Why else would we get here 45 minutes early?

by ChuckChaser69 April 30, 2008
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(n.) At Luther College (Decorah, IA) SPO stands for "Student Post Office" and is used to refer to an individual's mailbox.
Hold on while I check my SPO.
by Jon Hoffman September 11, 2005
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Nickname for a guy who is a piece of shit. As in his parent's should've pulled out.
Jacko is kissing ass again. What a Spo
by P Tiddy July 13, 2004
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girl1: what's up?
girl2: she broke my pen
girl1: oh
girl2: i'm spo!!!!
by nuno123345 April 18, 2012
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a ginger haired faggot who thinks he's tight

Or

a fat tramp who cannot afford even a microwave
any fat tramps or ginger haired faggots who think they're tight
by carville May 18, 2004
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A compression of the phrase "I suppose so", half-hearted concurrence. Common in the South Wales area, and an alternative to another compression for "I suppose so", namely spizo.

Spo is used in both English and Welsh.
"You comin' down town to do a bit of shoppin', cariad?"

"Spo!"
by w00fdawg November 5, 2005
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He spooed me so hard up the ass I couldn't walk for a week.
by Brian April 25, 2003
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