If the stewardess really wants the audience--I mean passengers--to pay attention while she presents safety instructions, she found the perfect way to do it. The perfected routine of this unknown jokester is packed with zingers like this:
To properly fasten your seat belt slide the belt into the buckle. To release, pull up on the buckle. Position your seat belt tight and low across your hips like my grandmother wears her support bra.
-via 22 Words