morn horn 

The morning after a night of hard drinking when you're really horny.

"Shit, I only fucked Stacy because I had morn horn."

morn horn by His_Name_Is_Zabo December 22, 2007

morn horn 

when u wake up wit a boner for no reason

i rolled over onto my morn horn

morn horn by kyle jaswal December 13, 2004

Morn-horn

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"

Morn-horn by Trolle March 7, 2008