(n.) Usually local band of militia who use thier knowledge of the terrain to thier advantage by ambushing and never engaging in open warfare. The Guerilla units are much often smaller than the force they take on, and due to thier fear of open warfare, they are often labelled as cowards by real armies. The Guerillas are usually considered to be more of a terrorist organisation than anything else, and are best countered by another guerilla unit attacking "thier" people. This counter-Guerilla unit will effectively flush them out or recede to the point where they are almost non-problematic.

This has best been seen with the IRA. In the 70's and 80's, Loyalists who believed the British government was going to give in to the IRA took up arms against the IRA. For every IRA attack that took place, a Loyalist one followed. This is not to mention that in the 90's, the Loyalists performed a number of assassinations on seemingly "untouchable" IRA suppliers, members and sympathists. Over this period, the UVF actually killed more people than the IRA did, although this is over-looked. When the number of IRA attacks went down, so did that of the Loyalists, until the "peace" agreements a few years ago. Splinter factions of both will continue to attack eachother, but they know that the IRA will never achieve the goal it set out to do.
Guerilla units are best destroyed by either similar units, or wreckless and intrusive army massives.
by Kung-Fu Jesus May 3, 2004
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1.An unofficial soldier, or group, in a war
Yo, u wanna be in our guerilla
What the fuck is a guerilla
Oh u slut, a guerilla is a gang, ilegally fighting in a war
by princeofdarkness March 23, 2008
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Da coolest group in the world, and they dont take shit from anybody.. especially country ass niggas!!! like mutha fuckin Grant and James ass niggas!
You tha guerillas are fittin to over rule da school!
by ArabbianG January 21, 2009
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a thug in the ghetto. "boys at war"
"Guerilla Warfare" -Hot Boys which means thugs being at war. in other words, killing goin on in the ghetto
by INfaMousgUrL2002 August 1, 2004
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guerilla means to use Force
To guerilla means to use physical force - Big L
by Rusty February 17, 2005
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The act of logging in to MSN Messenger (or some other messenger service), opening a conversation with another person with the sole purpose of cursing them out, and then signing off before the other party has the chance to respond.
Kimmy says:
fuck you

Kimmy may not respond because he or she appears to be offline.
by C.T. May 20, 2005
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A person who cultivates crops on another person's (or unclaimed / disused) land in a clandestine fashion. The crop is invariably cannabis.
Warwick's guerilla farmers put the patch of land next to the railway track to particularly profitable use every year and help keep everyone happy.
by Dan Fox June 24, 2003
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