knock (one) on the floor(redirected from knock on the floor)
knock (one) on the floor
To cause one to become overwhelmed with emotion, bewilderment, or astonishment. The whole movie was very good, but that ending straight up knocked me on the floor! The incredible response from our fans has really knocked us on the floor. We are so grateful for all of your support!
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.