"Who you callin' 'just anybody'?" Jack took full advantage of that opening and shifted his eyes over Booster's face. And the rest of him. Coy head-tilt and slight pout thrown in for good measure.
"I'm Jack Harkness. And you have not seen me dance yet." Interesting, though...tango huh? He felt a salsa coming on, himself, humming in his legs & working its way up.