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Acronym for Globally Unique ID. A 128-bit identifier, which is supposed to be guaranteed unique. Used for identifying stuff like software objects. Originally it was formed by combining an Ethernet MAC address with a 100ns resolution timestamp, but now a more complex algorithm is used.
I just hit Ctrl-Shift-G in Borland Developer Studio and it gave me a new GUID: {E9BAA03C-E2BE-420D-9554-5A08B7548068}
guid by panze May 2, 2008
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A young man that possesses qualities not unlike the common "guido," but is not Italian. Most commonly very large Romanian or Norwegian men with extremely short friends that highlight his stature.
"Stop hasslin' me, Guid, you're not even Italian!"
Guid by Kelly O'Mouse November 21, 2009
Related Words
the act of accidently squirting a bit of diarrhea on a sexual partner while having sex/Birddogging
"god damnit, did you just guid on me again? it smells awful!"
guid by stevefromwa March 12, 2008
guid - Derived from guido, a derogatory term for a man of Mediterranean descent 1) n. a sleaze; a pimp; a mack 2) one who can handle multiple girls simultaneously and effectively 3) one who spends time in a wife beater and heavy jewelry on his porch or in an above ground swimming pool 4) vt., to mack heavily and well; to sleaze multiple women at once; deftly
1. (n) That kid hits on girls all the time- he's a total guid.

2. (vt) Look at that kid guid on all those freshmen girls.
guid by Scott Bardo Maq April 23, 2005
n. 1) A 19 year-old fifth year senior, going by the pseudonym of Nasty or Squirrelmaster. 2) A shameless sexual predator 3) One who only dates younger women
that squirrel is a dirty guid
guid by The Lynguist May 10, 2005

Guid piece of ass 

A guido who has a really fat ass. Used as an insult.
Sandra said, "Joe's guid piece of ass shut down mcdonalds!"

guid-bro-bro 

male sheep triplet name, usually of the irrelevant triplet
oh man, isn't guid-bro-bro just so annoying being a triplet!
guid-bro-bro by blue battle-axe April 10, 2021