An amazon bush fire is when you're having sex with a chick (The "raised missionary" or "deep dish" postions works best for this technique), right when you're about to cum, whip out a lighter and set her pubes ablaze! It'll then be up to you to extinguish the flames with your man foam before the poor girl gets 3rd degree burns.
"I think I was a little too late putting out that amazon bush fire, now it looks like she has a "darkman'gina"
Phoenix Brickin' is much like the traditional chicken bricking except at the point right before you would normally swing your bricks, you wip out a lighter and and blase her up. Maybe enjoy a few seconds of euphoria as the "Phoenix rises from the ashes" then brick the chick and close the deal.
WARNING: Remember kids "brick & drop!" if you leave that flaming chicken in your lap too long, you may risk ending up with a Darkman'gina.
"You got the extinguisher? Alright, lets go Phoenix Brickin'"
When a ladies pubic hair becomes unbearably overgrown, thus resembling the amazon (or any dense forest/jungle region)
"Baby if you plan on staying for dinner and some good loving tonight you need to do 2 things to prepare for both. #1: take whatever you want to eat out of the freezer to defrost. #2: Perform some deforestation on that Vaginamazon you seem to have developed"