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1.
Midrection (ˈmid ˈrek-shən)

The state in which a penis is only half erect.
Man 1 - "That bitch Olivia Munn is so fine she gives me a stiffie."

Man 2 - "Nah, that bitch ain't that hot. She only gives me a midrection."
by That Other One Guy June 19, 2012