What does B stand for?

Breach

Said of waves that break over a vessel

Backlash

Backlash is a defect with excessive play in a mechanical system such as gear or linkages, due to looseness of fasteners. Describes the play in the meshing of two gears. Too much backlash and the gears could slip or break the teeth, too little backlash could cause excess wear and tear.

Glasses or sunglasses

Sunglasses on head

Beatrice

Brandon

Brett

Britney

Blaine

Billy