The day after Valentines Day (February 14th) when you go and get all the discounted Valentine goodies for your girl (or guy) on the side.
"Hey man, I had to drop 50 bucks yesterday on my girls teddy bear...today its only 10...gotta pick that up for my chick on the side, what u gettin urs for side hoe day?"
by Laredo[HK] February 15, 2008