there is nothing for that i think you might mean tb touchback.
But maybe defensive back.
Defensive Back
what does DB stand for on grades
Decibel
defensive back
it stands for david brown who bought the company in 1947
david brown
The German abbreviation DB stands for Deutsche Bahn, German Railways.
Spongebob square pants
Data base
dubnium
The initials DB, used in a number of Aston Martin models, stand for David Brown, who owned the company from 1947 to 1972.
Dumb *itch or douche bag