Talk about committing a foul … Iggy Azalea says her boyfriend Nick Young is a straight-up “sleep farter” … and he’s damn proud of it. Iggy was hangin’ with “#TheCruzShow” on Power 106 when her Los Angeles Lakers boyfriend called in … and the conversation turned to night flatulence. Don’t worry, Nick defended his woman … saying she’s too much of a lady to sleep-fart. There’s more … Iggy also talks about that sick ’62 Impala she got Nick for Xmas — and says there’s a major Hollywood connection to the car.