LaCroicktail Share definition Flag A cocktail that uses LaCroix sparkling water At a cocktail bar: - I'll have a GnT pleaseAt a LaCroicktail bar: - I'll have a GnLC please LaCroicktail by yesthisisbob November 10, 2016 0 0 Get merch Get the LaCroicktail mug. Buy Now — $32.95 See more merch