Someone who enters a numerical position on a message board or social network post such as first or second but adds no meaningful insight or opinion on the original post. Statistically this will fail and makes the firster look idiotic and annoying rather than just being annoying for wasting space.

This is similar to trolling but lazier and not as creative. It's kind of like Trolling for Idiots.
The topic would go here and then the firster would post as such.

Bojeezy - FIRST!
Bukkake4me- 2nd!
Admin- Well that was informative...and creative..
by sprydle April 14, 2010
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first.er first-er -noun 1. Those fuckers that go to websites, blogs, etc and write “FIRST!” as their only reply just to annoy the fuck out of me.
1. First!
- firster

2. Somebody should auschwitz all those firster motherfuckers!
- thetylerw
by the.tylerw December 23, 2008
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The protector of drunken idiots who start fights with people they can't take.
Adam was calling everyone a faggot last night, and he almost needed a firster.

The firster kept Brian from getting his ass beat last night after he greeted everyone with an abrupt choking.
by Threevesleven July 7, 2009
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A name describing the state of being first.
If your not Firster, your last.
by Caroline16 June 9, 2009
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FIRSTers are so awesome for spending six weeks building a robot.
by supercoolFIRSTer April 7, 2011
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A person that places the ambitions,policies and well-being of the right-wing Israeli government over that of their country of residence, usually America. Israel is the primary concern and will always be considered before anything else. If a policy is good for Israel and bad for America it will receive unconditional support without concern for America,despite America being the country of residence *hence Israel FIRST.

A person who's loyalty and support are for Israel before or OVER America.
1. "Jimmy is a democrat and former Obama supporter, he believes Romney's policies would bankrupt America and destroy the middle-class. Jimmy has decided to vote for Romney because Netanyahu endorsed him and he believes Romney will be more supportive of Israel in every way over Obama, Jimmy still believes Obama's policies will do more to help the American economy and the average American" Jimmy is an Israel-firster

2. Congressman i voted in favor of a bill drafted by AIPAC that prevents any diplomatic communication with Iran. The congressman's job is to serve America and it's interests, by preventing diplomacy, war is all but inevitable. The majority of Americans don't support a war with Iran and would like to see a diplomatic solution to the problem, but Congressman i will receive the majority of his campaign contributions by those who support the AIPAC bill, so he votes in favor.

Congressman i is an Israel-firster

3. AIPAC. An organization who's sole purpose is to get the AMERICAN government to support every policy and ambition of the Israeli government.

AIPAC and 99% of It's members are Israel-firsters
by AmericanNtifada November 19, 2012
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