look up 

Verb:
1)Somthing you look up in Urban Dictionary when your uncreative brain isn't able to figure out a better definition to look up. As "look up" is written next to the look-up-box.
2) Something you did a few seconds ago,of course after giving this definition a thumb up.

antonym: look down

"I just looked up the term "look up"

look up by i_cant_make_up_a_funny_pseudym December 23, 2008

look up 

To search online, in a book, magazine, dictionary, encyclopedia, other writing work, for an answer or other need

I will look up this fucking word now:
Strong Bad

look up by monkeyGODS July 26, 2003

Look up 

What it usualy says before a search box on a dictionary website (on the other side from the search button)

look up and you'll see "Look up" i.e., it's at teh top of this page...

Look up by NIK January 19, 2004

Look up 

To realize something.

Tell your homie to look up.

Look up by Askju April 1, 2019

look up 

i am good and fun

i look up and a bird shits on my face

look up by no body's body November 24, 2003

look up 

to look up

dude look up i c crap

look up by i dunnno August 7, 2003

look up 

to look up as in to look into the sky retard.

y dont u look up u son of a bitchu can also LOOK taht word UP.

look up by look up January 31, 2005