When a student attempts to hide either an object or an action from a teacher during class, usually but not limited to using a notebook or binder to block the view.
Mr. D caught Pedro wallin' while he was explaining adjectives, so he made Pedro put his binder away.
by Dennis class at Perez March 27, 2007

- to be described as someone whos over-excessive in some sort. someone who thinks somethinq and you know the bitch is crazy.
- i heard this kid is seriously in love with me
- bitch you wallin . noone loves you. you fucking hoe.
- bitch you wallin . noone loves you. you fucking hoe.
by finiest ladiee April 16, 2009

Damn that muhfukkah was wallin' out last night at Gina's, dancin and screamin and pissin all over the place.
by dw89 January 9, 2009

when a women cannot ejaculate...or have an orgasm due to sudden stop in sexual activity's simular to blue ballin for men
by lodjjdsa January 19, 2009

Alex, while Carly rims his tight virgin butthole, proceeded to loosen his sphincter spilling days worth of 7-11 pizza and beer sharts all over Carly's face.
Alex shouted "How does that Steamy Wallin taste babe !?!?"
Alex shouted "How does that Steamy Wallin taste babe !?!?"
by analchainsaw February 4, 2016

Oh? AARON WALLIN IS HERE?! AT MY DOOR?! AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA would smash 10/10
by Mr man in the mornin March 25, 2022
