A verb, as in "to Krell somebody." Especially popular in Riverdale Illinois. Means: To look someone in the eye, lie your ass off, promise him/her anything (everything), and have no intention of following through. And then tell a (another)lie.
"Please, please, please, I won't Krell you. Just lend me $20 and I'll pay you back Tuesday. Don't believe me? Neither do I. Wait! Do you want to buy a washer and dryer?"
Damn Bro,my girlfriend did some of that krell you gave me and she's been locked in the bathroom trying to pick spiders out of her face for the past 3 days now.
Verb: to party very hard. To get fucked up on liquor, beers, weed and maybe even some yays.
Noun: someone who parties very hard, to the point where their cognitive ability is permanently impaired.
1: Person 1: What are we going to do tonight? Person 2: We're going to krell.
2: Did you see the Toothless girl who asked me to pull my dick out on the dance floor? What a krell.
A hardo who attends the Kelley School of Business. They are really good at school, which they LOVE to flex, but are weird with the girls. These people probably work at an accounting company, such as KPMG, and show their pride whenever they possibly can: like wearing the company’s backpack. An average “Joe” would be considered a Kelley Boner.