Combination of (confir)med & affir(mative); possibly used in CB trucker talk.
~Scoog, are you reading me?
-Copy that Clancy , I'm reading you loud and clear
~Did you see that Bard Owl at when Fueling up?
-I believe that was a Spotted Owl ~That's Confirmative
Nickname given to bales of marijuana thrown overboard or out of airplanes. Origin is reportedly from members of the US Coast Guard in the area of Southern Florida.
"Base we've got some square groupers floating outside of Miami harbor."