Chloroform
His plan had been to say something clever and funny and charming, just like in those cheesy movies he secretly adored. 'Excuse me, does this smell like chloroform to you?' – something along those lines.
But then he remembers the way Kurt's eyes had lingered on this ridiculous blonde strand that kept falling over those cheeky blue eyes.
And when he hears those light footsteps Blaine doesn't think a second about what to say.
Just steps into the pool of light and presses the damp rag to those sweet lips.