i. A pair of crafty breasts, usually belonging to a female. The nipples are either perky enough to pick a lock, or the breasts are so alluring to the male's gaze that they could disarm a gunman.
ii. A women's chest which appears large, but is in fact a bra stuffed with socks, tissue paper, duct tape, etc.
i. "Hey Steve, check out that girl at the end of the bar. She's using her Macguyver Tits to get drinks again!"
ii. "I wish I was a D-cup like you, Erin." "Here, you can borrow one of my bras and some toilet paper - just Macguyver some Tits."