To raise your guard. To be on the lookout or ready for something or someone that may cause you harm either physically or psychologically.
by derp-de-derp-a-doo July 31, 2011
to clean up, put everything away, put things in order, make things look nice
Very similar to the Swedish, reda upp, arrange things
Very similar to the Swedish, reda upp, arrange things
by P I Edic January 09, 2005
by Maurice July 03, 2003
A demand to be a man and to stop acting craven or cowardly. A derivation of man up (which in itself is a derivation of cowboy up), although more insulting. While man up can be used as encouragement to do something, sack up is almost always a challenge to cease doing something that should be beneath you
"Oh sweet mother of god! The terrorists are going to blow us up with Snapple bottles!" _This_ is terrorism's A-game? Sack up, people.
by Quine August 13, 2006
big up yourself 4 me main man....
by ChocolateMafiazX January 08, 2004
A twist of the phrase "grow up", referring to a person's incredible transformation. This is usually based on increase of style and self-confidence (and potentially one's squad).
Noamee: "Remember that kid nerdy kid Loganus from High School?"
Mayana: "Yeah but have you seen him now?!?! GLO-UP!!!!"
Noamee: "I wish a nigga would"
glo-up glo up
Mayana: "Yeah but have you seen him now?!?! GLO-UP!!!!"
Noamee: "I wish a nigga would"
glo-up glo up
by MaYung Savage May 31, 2015
You have not been yourself today. What's your hang up?
by Antoine N. Holloway from Dictionary.Com April 09, 2004