The sexual act of, before finishing, finding the light switch (or any light source) and rapidly turning it on and off while screaming and attacking your partner; and then cuming in their eyes while simultaneously turning the light source off and creating and audible thunder like sound.
"brought a girl back to my hotel last night and there was a power outage, so I gave her the old Brazilian thunder without touching a switch."
by RickGoldfield and FrankGuitar October 8, 2019
by Tucker Fawkes August 4, 2011
Brazilian Thunder is the sound created when a native Brazilian performs the doggy style maneuver on his mating partner.
by DerpingDemon December 30, 2016
you sit on the ground then your lady friend takes your feet and locks them behind your head stands on her hands facing away from you then repeatedly slams her ass and vag into your face
by jigglebit April 17, 2021
when a male sits down and a female does a hand stand and repeatedly slams her vag into his face while she is also trying to tie his dick in a knot with her mouth.
by jigglebit April 20, 2021