Verb: Hardwood Flooring is the act of displaying one's large thick rock hard blood-engorged penis in such a manner that the viewer, usually female, is totally awestruck, or "floored". Hardwood Flooring can be used to jumpstart a relationship, or to entice said viewer to engage the "hard wood" with either the mouth, vagina, or sometimes anus.
"Man, that bitch at the party was cold as ice, paying no attention to anyone, then a dude got her attention with some Hardwood Flooring. That changed her little tune, alright."
"I had no idea that Lawrence was gay. I mean, I really don't care, but when I saw his response to Hardwood Flooring I was really surprised."
12 step recovery jargon referring to someone new who talks about how great life is, now that they're sober. Usually meaning that the person is out of touch with reality.
The new guy seems pretty happy for a dude who has no job, no money and no family. He must be on a pink cloud.