Extremely high grade cannabis. When comparing or analysing cannabis, this term is used to accentuate the superior quality of a paticular product.
(two people comparing each others weed)
person 1: "here, check out this bombin"
person 2: "yeah you got that fire... but I got that FIRE fire"
by pbroots March 14, 2011
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A phrase that transgender people use in voice training in order to stabilise resonance (R1) after finding the correct one. The phrase is created by Zhea aka Z from TransVoiceLessons and is popular in the trans voice training community, and widely known in the lgbt+ community in general.
Z (raising her R1 with voiceless 'h' sounds): Hhh... hhh... hhhh... hhhhhaa, heat from fire, fire from heat. Okay, cool. Now I'm using that resonance.
by Ms Moongirl September 10, 2021
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1. To meet aggression with aggression. In other words, if someone is talking shit about you, you talk shit back, or do something worse, such as beating their ass. Or say, if someone shoots up your house, you shoot up theirs, or do something worse, maybe like blowing it up. Basically, it means to get back at someone for what they did to you.

2. The opening track on Ride the Lightning, Metallica's second studio album. It is a fast-paced song, and it includes a good guitar solo, just like most Metallica songs. The song talks about revenge, and how war could end the world. A very awesome song to say the least.
1. Marshall: Bro, Ray keeps talking shit about you.
Jordan: Yeah, I know. I'm about to Fight Fire with Fire.
Marshall: And how are you gonna do that?
Jordan: By kicking his ass.

or

Marlon: Jamal, man, them boys just shot up Lisa's house!
Jamal: Dog, we gotta Fight Fire with Fire.
Marlon: Yeah, we should blow their shit up.

2. Chris: Hey, Frank, you ever hear Fight Fire with Fire by Metallica?
Frank: Hell yeah, that song is amazing!
Chris: Yeah, I know. I hear it's hard to play on a guitar.
Frank: You think? Just listen to it!
by Jordan Stevens March 15, 2008
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said to a person who is doing more harm than good but because you're already in such a horrifying situation, which you think couldn't get worse, that it doesn't matter as this person's efforts are pointless and wouldn't make any difference.
A: I can't believe that you two broke up.

B: he learned what have I been doing... Jes is going to tell him that I cheated on him with john. She's just setting the fire on fire I've told so many lies , another one won't hurt

(imagine two criminals that are stuck in a room and if they can't manage to get out they'll die. there's only a desk and an old phone in this room and the police is already after them)
A: what are doing?!
B:I'm calling the police
A:what?! whatever, set the fire on fire we're going to die anyway/ we're gonna get arrested anyway
by ohnoohnoohnonononono January 21, 2021
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