Mug: A drinking vessel or pitcher with a handle on the side. This usage dates from the 1560s, from Scandinavian or Low German terms for the same thing. Richard Armitage as Lucas North in Spooks 8.6.
mug: a person’s face. The relationship is uncertain (mugs with grotesque faces on them?). In use after 1708. Richard Armitage doing ADR for Hannibal in 2015.
mugging: overacting. In use since 1855; theater slang. Richard Armitage as Tom Steele in Doctors, 2001. Source of this photo was originally RichardArmitageOnline.
mug: a foolish or silly person person. Usage dates to 1850s. Richard Armitage as Harry Kennedy and Dawn French as Geraldine Granger in Vicar of Dibley (2006).
mug: someone who is easily deceived; a sucker. Usage dates to 1850s; thieves’ slang. Richard Armitage as Harry Kennedy in Vicar of Dibley, (2006).
mugging: attacking someone with intent to rob; in the U.S., armed street robbery. In usage since 1864, from an earlier, now extinct usage, “to strike in the face.” Richard Armitage in Robin Hood 2.6.
mug shot: a picture of someone’s face for identification purposes, especially in criminal records. Usage after 1887. Also “mug book,” a collection of photos of criminals. Richard Armitage as Lucas North in Spooks 7.7.
mugging, especially “mugging for the camera”: to make exaggerated faces, to “pull faces.” In use after 1937, probably derived from theatrical slang. Richard Armitage and Fraser Kelly on the set of Urban and the Shed Crew.
mug for, mug up: study intensively, cram material for an examination. Recent usage, apparently. Richard Armitage as John Porter and Shelley Conn as Danni Prendiville in Strike Back 1.5.
Unless otherwise specified, all photos from RichardArmitageNet.com.