A fork of Rural Dictionary
n. Spanish for Morning Wood, literally 'wood of the morning'. A politically correct way of expressing the fact that you have an erection that will pass undetected by the usual female, unless she is hispanic, in which case you're screwed.
Logan: I got out of bed, and all I wanted to do was beat it.
Aaron: Did you have madera de mañana?
Logan: You know it!
Typically Saturday, but can be a Sunday, after a long, grueling week at work.
Bobby: Dude, I'm exhausted. What a week, thank god it's Friday.
Kevin: I know it, thank God tomorrow's Saturday.
Bobby: Yup! Mañana from Heaven.
Kevin: Huh? What's that?
Bobby: You're a moron.