A Person who knows very little about computers/computing.

It also refers to a person who pretends to be a hacker but is not.
He/She is a lammer because he does not know how to type.
by anonymous254157893 April 5, 2007
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A numbered, chip-like implement placed on a casino gaming table
indicating the amount of value chips that have been removed from a
table tray during a table credit slip transaction, or an amount of chips
that has been given to a customer for wagering on credit prior to
completion of a credit instrument (marker).
When the customer requested a marker for the remainder of his credit line, the pit boss put a 5000 lammer on the blackjack table and the dealer cut out $5000 in chips to give the player.
by LVBOA October 18, 2008
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-Hey ma! why u kicked me?
-I don't really know..
-U suck lammer
-Yeah, I know..
by RoCCo ReLoaDeD June 5, 2003
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verb - To bail on your friends to hang out with your girlfriend. It is considered an especially bad case of Lammersing if the Lammerser in question planned the event with friends that he is Lammersing himself, far ahead of time, and then decided to Lammers WHILE AT THE EVENT.
"Why does he keep Lammersing on us? Can't he just tell us he's gonna hang out with her ahead of time instead of Lammersing at the last minute every time?"
by Buddy V May 12, 2009
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Originally derived from the two words: "leathered" and "hammered".

Severe intoxication or getting drunk; a very messy state of mind to be in.
That guy is absolutely lammered
by Homer September 1, 2003
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a mix between being lame and a twale or tweeb
by bryan lammers August 1, 2006
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