a sexual term refering to when I guy puts a thumb in the vagina and a finger in the back door and then rubs the two together. The results are sexually sparks flying, hence the name.
When a redneck decides to misuse any kind offlammable component which then leads to self-incinerating
Jethro wanted to impress his hot cousin by juggling containers filled with gasoline, however, he forgot to take his lit cigarette out of his mouth. Jethro then became clumsy with the juggling and a container bursted open and made direct contact to the cigarette causing a huge fire all over his body. He is now listed as a Firecracker. Meanwhile, the redneck cousin was quite impressed.
a hothead; a personality who unexpectedly loses his temper; a person who quickly becomes angry without justification; someone who is easily frustrated into making hostile outbursts; an irrational who routinely yells or screams at others for no apparent reason; an explosive personality.
He turned into a real firecracker, whenever he did not get his way.