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(pronounced herning)
Shitting and throwing up at the same time on the toilet
"Did you know that Johnny was hearning all night after heavily drinking? Shit and puke all over the place!"
hearning by Greg and Gino May 9, 2008
Related Words

O'Hearnan 

n. REALLY flakey vagina crust

n. a REALLY dry area of or around the lips of a girls vagina, usually due to lack of moisture
Jake: Susie, why do you have such a dry vagina?

Susie: It's not dry! I just have an O'hearnan!
O'Hearnan by Hernon October 30, 2009
a disease contracted from having sex with a slut.
Yo man, I think I got a hearnia from that one girl.
Hearnia by disbichhh October 16, 2011
An individual who is incredibly good at martial arts and fighting, as well as having black belts in many martial arts. Also used to describe an individual with a superhuman amount of striking power.
Lucas is such a hearning, yesterday I saw him knock one of the best students at his dojo to the ground.
Hearning by Sogodhelpme August 24, 2025