Top Definition
1. The act of royally screwing something up, usually followed by being a cry baby and looking like a pothead.
"He pulled a Glennon!"
by HokieFootballFan September 15, 2007
A common expression used as a substitute for the word "deity" or "god"
"Praise Glennon"

"Oh my Glennon"
by Glens December 24, 2013
The hair that grows on the back of your neck. Usually comes is two strips - one for each side of your neck.
Dude look at your freakin neck! Your Glennons are thick. Get em cut!
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