Strangling a Two-Headed Unicorn
When someone gives you a freaked-out look that is so insanely filled with disbelief and confusion, that it is unable to be described with unmythical creatures.
Jane: Starts to sing Circle of Life while doing a pregnant dance in a thong bikini
Jane's Grandmother: *looks at her like she's strangling a two-headed unicorn*
Jane's Grandmother: *looks at her like she's strangling a two-headed unicorn*