plural of master bedroom

A direct action event in which bicycle riders travel through city streets as a group.

plural of master key

(vulgar) Emphatic form of fuck me (used for surprise or frustration).

A mark (often one of a series) made to show that an operation or task has been completed.

A murderer. / An animal that kills humans. / (slang) Someone who habitually seduces men.

An accoucheur; a male midwife

(obsolete) mandrill

plural of man-month

plural of man-year