by Jasminee x ten March 20, 2007

by LisAnne Becotte` June 23, 2005

To challenge someone by getting in their face and disrespecting them with belligerent comments or trying to stare the them down.
I was laughing at this guy behind this one dude and the dude thought I was laughing at him so this nigga had the nerve to BUCK UP to me and I had to lay his ass down.
by Joshiro007 February 12, 2003

by grimkey July 13, 2006

Jake examines Mike's life, Mike's cars and Mike's houses in various locals. Jake turns to Richard and says, "Mike is Bucks Up, bruh."
by fur burglar April 6, 2010

Johhny: "Mom, im getting 'bucked up with my friends and then driving home."
Mom: "You're doing WHAT?!"
Johnny: "Relax mom, im just getting a trenta iced coffee with 3 espresso shots at Starbucks with my friends."
Mom: "Okay, just make sure you're home for dinner."
Mom: "You're doing WHAT?!"
Johnny: "Relax mom, im just getting a trenta iced coffee with 3 espresso shots at Starbucks with my friends."
Mom: "Okay, just make sure you're home for dinner."
by mothercocker August 20, 2011
