Rub It In

Can you come up with an answer to today's open-ended mentalfloss.com Brain Game Free-for-All Friday challenge? Enjoy:
Give ONE example of an English word
that either BEGINS or ENDS with the letter sequence "RUB."EXAMPLES: RUBBERNECK, SCRUB, RUBIDIUM
Please add your single entry to our
comment list below, and have a great weekend!
Subscribe to our Newsletter!
SIGN UP NOW