When a friend gets in a relationship and begins to "change up" ( AKA be a fag ) their behavior.
"Josh come play Fortnite with us."
"Nah man imma be super gross with stephanie on the couch might suck her titty a little."
"Man you changed up."
by Rfrogthecurved March 4, 2018
The cops are on to us, we'd better change up.
by Jim King December 18, 2004
When a friend is normal without a girlfriend, but as soon as they get one they act way different
Ever since you hooked up with niki you've been a change up jacob.
by Jenx August 25, 2017
1. Phrase chanted at someone to encourage them to skull their drink. Often prompted by discreet drink evasion or whining about how they can't skull or have work the next day. The phrase conveys both an implied threat and disgust in the party it is directed at.

2. To a lesser extent may replace phrase "man up" when someone is piking on a particular activity or event"
"Same again mate?"

"Nah, I think i'll take it easy from now on, I've got work tomorrow."

"Fucking chang up son!"
by kempatron November 20, 2009
When the mexican makes you cut his grass.
I called the local landscaping company, but got hit with the Cholo Change Up.
by jhowtheone April 20, 2020
Fondly named after one infamous french-canadian, changing the order of rotation during a session by passing the piece in the incorrect direction.
Hoover grimaced as he realized his egregious error of passing the dutchie an the right hand side, fulfilling his first error of a canadian change-up
by Scuba October 7, 2003
Someone that looks good at forty feet away, but not so good at four feet away.
Steve : Hot chick at 11 o'clock!
Mike : Where?
Steve : Across the room and coming past!
Mike : Uh...
Steve : Oh... !
Mike : Never mind, butter face.
Steve : Dog ears.
Together : Forty four change-up
by fuzzygreysocks January 22, 2010