Definitions by snaptastic

Blue Back 

The frustration experienced as a result of a backrub stopped too soon, especially when the backrub giver never intended to follow through with the backrub in the first place. A phenomenon similar to, but less severe than, blue balls.

She rubbed my shoulders for about three seconds then just laughed and walked away. Now I've got blue back.

Blue Back by snaptastic February 16, 2010