Hallowing 

When someone runs through the halls in a school while screaming or making a loud noise.

Mark- Austin, dude Tyler kept hallowing in the halls yesterday! It was so funny.

Hallowing by Recessparking July 29, 2016

bryan halling 

The act of orally pleasuring ones butthole. Not to be confused with a typical rimjob; the "Bryan Hall" utilizes a full tongue stroking technique along with full eye contact with the intended region. Commonly leads to Pinkeye for the providing participant.

Damn Adam I've been"Bryan Halling" that chick all night!

bryan halling by BuhDeavy December 11, 2013

Haloing 

To sing the Halo theme song in the restroom while standing still doing the T-pose

Principle: what were you doing in the restroom
Student: We were just Haloing
Principle: NO HALOING ALLOWED!!!

Haloing by Halobeast123 July 4, 2018

Halling it up 

To wear a button-up shirt with the top two-three buttons open, and having no t-shirt under to cover the chest.

Those Europeans were so Halling it up.

Halling it up by Mr_Hall October 4, 2010

mallowing 

the act of wallowing in self pity through the consumption of marshmallows.

Sarah came home to an empty apartment and found herself mallowing in bed alone.

mallowing by demarze June 1, 2016

Halloweiner

A male that you hook-up with on Halloween.

Sarah- " I totally hooked up with Tim last night!"

Rachel- " OMG He was your Halloweiner!"

Halloweiner by Esyleal November 14, 2011

Harrowing

Intense, dangerous

Williams: Man, takin' that hill was harrowing!
Thompson: Shut it soldier we got VC all around us.

Harrowing by LookAtJohnWillJa August 17, 2010