The morning after a night of hard drinking when you're really horny.
"Shit, I only fucked Stacy because I had morn horn."
by His_Name_Is_Zabo November 21, 2007
Get the morn horn mug.
when u wake up wit a boner for no reason
i rolled over onto my morn horn
by kyle jaswal December 13, 2004
Get the morn horn mug.
When a man wakes in the morning with an erection. See also the morning wake up call, morning mast and the big top
Hey baby look at my morning horn.

My baby's got wood. Usually followed by your girl chopping on the wood.
by 2Damn$ly April 10, 2006
Get the morning horn mug.
Morn-horn is a contraction of morning and horn. This is the refreshing first fart in the morning. Which, if lucky, will set the standard for the remainder of the day.
"My beatch got totally pissed when I woke her up with morn-horn"
"Sounds like she doesn't appreciate quality sounds"
by Trolle March 7, 2008
Get the Morn-horn mug.