For some reason, this has not been defined on urban dictionary until now.

Anyways, if you are looking for the definition. It's self explanatory (The opposite of happy birthday, used as an insult when it is someone's birthday).
Jacob : Today is my birthday! Will you come to my party?
Micah : Absolutely not, and unhappy birthday!
by joecycs November 14, 2021
Get the Unhappy birthday mug.
The tuft of hair directly above the asscrack. It is the opposite of the happy trail.
When David went to prison all the anal rapists laughed at the tramp stamp which read "oops" that they could read through his especially hairy unhappy trail.
by Uncle Wink August 28, 2007
Get the unhappy trail mug.
Unhappy Free Orc is an experimental musical duo. In 2009 they released their first four albums, The Orcs Fighting Underhill, Last Chance to Evacuate Vuosaari City, Solvent Abuse Can Kill Instantly and Nazi Teddy Bears (Pure Evil). Rumours about a fifth album called Female Mailbox, claimed to be released in early 2010, have been flying around the musical inner circle of Eastern Helsinki for several months.
The Unhappy Free Orc needs to do some live performances.
by UFO!! February 5, 2010
Get the Unhappy Free Orc mug.
The hair between the belly button and the pubic region of a female.
Dude I was gonna go down on her, but she had an unhappy trail. I couldn't do it.
by Buddy1994 January 3, 2018
Get the Unhappy Trail mug.
It is when you take a sharpie marker and draw a frown face on a banana, then proceed to use it as a sex device without lubrication.
You got your unhappy banana all dirty, Steve.
by Uncle Splat January 12, 2023
Get the Unhappy Banana mug.
Melanie Martinez: Are you happy now? Are you happy, with your unhappy meal? (-py meal?)
by emmyandlola August 4, 2023
Get the Unhappy mug.