Paradoxical or contradictory. Has both good and bad aspects and/or sides, but the bad may or does outweigh the good.
Dude, he's a mixed bag. I'm not entirely sure that I'd trust him.
by Nickidewbear June 14, 2013
When a women is having sex with multiple men and she has a different colored (racial color) penis in each of her 3 holes.
"So Janet, hows ur sex life going" "Its been going great actually, ive been into the mixed bags lately!"
by DA stonedahl March 25, 2009