1. When the ass cheeks are clenched on a hard seat, gastric gases exit the sphincter and create a firecracker-like sound.

2. When the ass is on a wooden chair and you expel a fart and the fart creeps up the clenched ass crack, it makes a popping noise that resembles that of a firecracker.
Today in 2nd period, I totally lit the firecracker and everyone heard.
by Pflug-Dimond November 4, 2010
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A fiery seductress, strong willed, romantic, passionate, sexy, confident, shy, beautiful, exciting, temptress
My red headed girlfriend whiskey, is a firecracker.
by mooncricket17 April 22, 2015
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A snack made with crackers, peanut butter, and marijuana. Basically, it's peanut butter and weed sandwiched between two crackers, then baked.
We made firecrackers at the party last night, they were great!
by Tyler November 17, 2004
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Peanut butter crackers with weed baked in them.
Dude, we made a batch of firecrackers yesterday. WE'RE GOING TO GET ABSOLUTELY BAKED.
by Johnzurek May 3, 2005
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1)someone who is bold, sassy, free spirited, and often has explosions of energy
2)attacks with excitment
Billie is such a firecracker, when she walked in the room the party began!
by billbrunk February 17, 2008
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An upbeat person with a loud personality, usually the person in the room who has all eyes on them.
by Tgator March 20, 2015
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1. frequently used to describe women who are not afraid to speak their mind, and will often do so at the behest of others.

2. one who is exciting, unpredictable, tough, hard-nosed, and free living. (could be male or female)

firecracker t may or may not be used as a derogatory term, depending on the tone and speaker.
Jane: I really think we should reconsider what we're doing here, look at these figures...
Boss: Jane, you're such a firecracker!

Hillary Clinton is such a firecracker.

Tammy was such a firecracker, I thought, "Wow, this woman is terrific! She'll keep the fire burning under these guys!"
by jamaicaqueens December 15, 2005
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