Usually right after waking up, in a state of about 10% consciousness, when one's imagination creates a fantasy that is more normal than regular dreams, but more odd than regular thoughts or imaginations.
Scott: Dude, i just had a half dream where I had a threesome with 2 chicks.
Steve: What makes that a half dream?
Scott: Well, i was barely awake, and I'm gay.
Steve: Oh yeah, forgot about that.
by Will Masters January 17, 2010
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That feeling when you are dreaming, but you know you are waking up, so you keep your eyes closed and try to stretch the dream out.
Woman: Hey, it's time to get up. Why are you still laying in bed?
Man: Ah, I was half-dreaming.
Woman: Oh, yeah? What about?
Man: I was talking to Richard Marx about his musical style and how awesome it would be to jam together.
by Fayyt Ignatti December 28, 2016
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