A person who never settles in one place will never be successful. / A person must keep active in order to avoid stagnating.

(finance, slang) The five-business day period (the 5th through 9th business day of the month proceeding the futures expiration month) when the Goldman Sachs Commodity Index is rolled forward (in 20% increments) into the next futures expiration month.

An automobile driving maneuver in which a driver slows down, but does not stop, at a stop sign.

Alternative form of roller mill

Any contact between rotating bodies such that the relative velocity of the two contacting surfaces is zero at the point of contact.

plural of barrel roll

(aviation) An aerobatic flying maneuver in which the pilot causes the airplane to complete one loop in the same time that the airplane completes one roll, creating the appearance that the airplane is riding on the inside of a cylinder.

(informal) Let's go; used to suggest that a plan should be put into action.

plural of role

Alternative form of roleplay.