In the small Norfolk town of Kings Lynn and the villages surrounding, 'bracing yourself' is a term followed by a face similar to a gurn. The facial expression is called 'a brace'or 'the brace' with an 'urghh' sound attached
Rob:Brace yourself Jamzo!
Prepare yourself mentally or emotionally for hearing something unpleasant, out of place or inappropriate.
"...they dropped the ball and now, brace yourself -- they're making us pay for it."