"Sparkage." He snaps the word out, his fingers clicking under her nose and, not for the first time, she resists the urge to slam her fist into his. "Serious sparkage."
"We have serious sparkage?" She loads the words with as much disbelieving contempt as she can; they crackle and sizzle in the air between them.
He smirks. "You bet, baby."
"McKay," she snarls, temper rising, "the only sparkage I want to have with you involves wiring and the generator."
"I'll show you kinky..." Too late, she realises what she's said.
His smirk deepens. "Now that sounds like a challenge."