As do

Shortened version of “As you do” or alternative version of “Do what you gotta do”

Could also be used in place of “It is what it is”

Dude #1 - “How the hell do people actually transport grand pianos”

Guy #2 - “I think only in trucks. If you look really closely though, the piano itself has tiny wheels. So conceivably, you could push it to your house.”

Guy #1 - “I saw that. As do.”

Guy #2 - “As do.”