Blood [hidden track] is track #14 on the album The Black Parade. It was written by Frank Iero;raymond Toro;bob Bryar;michael James Way;gerard Arthur Way. Blood [hidden track] is track #14 on the album The Black Parade. It was written by Frank Iero;raymond Toro;bob Bryar;michael James Way;gerard Arthur Way.
Freebase(0.00 / 0 votes)Rate this definition: Blue slip. A blue slip or blue-slipping refers to two different legislative procedures in the United States Congress.
A lab slip is the form, usually pink, that the Doctor gives you to take in to the lab. It'll say on it your demographics (name, address, etc) & what tests the doctor wants the lab to perform on you. Sawyer Â· 1 decade ago.