While it's
originally used to describe having sex without protection, it can be used as slang for doing anything TO something, without
something else that that something would require, such as some form of
preparation, protection, or anything to make it go smoother that one would consider almost essential, typically out of callousness.
"Wait, so
you're not using any nyquil,
cough drops, not even any tea?" "Nah bro, I'm straight rawdogging this cold."
"Bro did you just
flip that chicken with your bare hands? You just gonna rawdog that boiling oil like that?'
"Yo, did I see you show up to that lecture without any notebook or textbook? Fully rawdoggin' this course, eh?"
"Wait dog, you didn't download any music, movies, no book, nothing? Gonna rawdog a 12 hour flight like that?"