Firestarter, Noun. That one friend or family member who thrives on creating chaos, so they pour gasoline on any conflict, no matter how small, to inflame the situation. Synonyms: asshole, instigator, pot-stirrer, jerk.
My sister is such a firestarter, she can't stand it when our whole family is at peace.
Rubbing ones palms together vigorously with at least four fingers of each hand inserted into your partner's anus or vagina in an effort to stimulate an orgasm.
I finished up but, was having trouble getting that loose hole hot so I hit it with the ol' Apache Firestarter and they came like a first class package. Beat up and late.
We need some firestarter to burn this bitch down (translation: we either need kindling to literally burn the place down, or we need some alcohol to get this party started.)