Waking up with an erection. It's often associated with the need to use the bathroom upon waking up. Scientific term is nocturnal penile tumescence. There is no real scientific proof as to why men wake up with a erection although there are many theories. And by the way "dr. Pascalle" is a fake and an idiot. No such thing as hypervasodilation.

Means the same thing as Morning Glory
It sucks trying to take a piss when you got a morning wood.
by Urban Cock May 11, 2009
a boner or erection experienced when a guy wakes up in the morning.
damnit, fucking morning wood gave me a huge-ass boner and I'm sleeping in the same hotel room as my mom
by kilometeros July 10, 2008
When you wake up and you have a massive boner. You could go camping with the tent you pop every morning. You cannot get out of bed untill everyone is out of the room.
When i pop my massive tent, with my morning wood all the girls jumped in.
by Eli R. May 22, 2008
An alternative rock band from New York City, started in 2001. It consists of Peter(or "Pedro") Yanowitz- bassist and back-up vocals, Chantal Claret (vocals, married to Jimmy Urine of Mindless Self Indulgence), Alfredo Ortiz and Phillip Shouse. Their hits include Take Off Your Clothes and Nth Degree.
I just got my dad to order me the new Morningwood CD from Amazon, without first finding out the meaning of the word. (seeMorning Wood for more details)
by SprocketTalker May 04, 2009
When you say good morning to someone with the surname "Wood". Initially it will sound like you are talking about a morning erection.
Morning Wood!
Im sorry what?
I said good morning Wood!
by hdver January 18, 2012
the biggest boner you can get. you wake up after sleeping, and your dick is hard as a rock. the best way to get rid of it is to have a sweaty sex session with some fly ruca, she will love it too.
damn baby, i got morning wood. oh well, i guess ill just have to fuck the shit out of you.
by Anonymous May 07, 2003
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