Anytime the penis is only partly erect. Often used sarcastically when there is no abnormal blood flow down below.
by Brock Stokley April 13, 2006
semi-erect or semi-flacid. However you want to look at it... I choose semi-erect, as that seems more positive.
by Beil February 13, 2005
by VTI December 02, 2006