A bitch who busts into your room and breathes like child molester on your chest. The experience can be erotic, but is most of the time scarring.
"Damn yo, Ashley and Kate broke in last night and fucked with my REM cycle!"
"Who are Ashley and Kate"
"Those two Heavy Breathers that live upstairs"
A heavy breather is a generic name for a person that is in a position of power and influence. They do not breathe any louder than the rest of us, but their breath/words have a larger impact on society. This term usually is used reserved corporate executives or high level politicians.
"So dog, whaddid ya do today?! Dude, I had to sit in this meeting with a bunch of heavy breathers"
"The heavy breathers of the right are panting for spending cuts again"