noun
topknot hairstyle (Edo period, sumo)
Refers to the traditional Japanese topknot worn by men in the Edo period and still worn by sumo wrestlers today.
相撲取りは今でもちょんまげを結っている。
Sumo wrestlers still wear the topknot today.
時代劇の侍はみんなちょんまげをしている。
All the samurai in period dramas have topknots.
auxiliary
Jocular, punning form of ちょうだい used after the -te form of a verb. Informal and playful.
See also: ちょうだい
ちょっとそれ、取ってちょんまげ。
Hey, grab that for me, would ya?
Standard polite request meaning 'please give me' or 'please do for me'; ちょんまげ is a humorous, slangy variant.
The hairstyle sense is of uncertain origin; the auxiliary verb sense is a pun on ちょうだい.