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
by i_cant_make_up_a_funny_pseudym December 23, 2008
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Someone looked this up in an attempt to see if anytone was smarter than them by already adding it.
by Advil April 7, 2004
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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
by monkeyGODS July 27, 2003
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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...
by NIK January 19, 2004
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