When you hear this, it means someone is requesting to put their face next to your butt-hole.
Whenever Jimi Hendrix used the phrase on stage, the bassist would launch a scorching fart in his face. He claimed it helped him "think outside the box."
At the wedding reception, when Mandy asked John to "let me stand next to your fire!" she didn't realize he had been holding in gas since the toast. He unleashed a furious wind upon her, lashing her hair back, and singeing off her eyebrows and nose hair. She pretended to be offended, but the clarity of mind was all that she had hoped for, and more.
a fire breather is when the guy punches whoever is sucking their dick in the face, then making them go back to sucking the dick.... while sucking the blood goes into their mouth and when the guy cums it mixes with the blood, when they spit it looks like they're a dragon.
Nell was always rumored by the jocks to be a messy littlefire breather.