Definition of mando:
(n) :
(disc golf, informal) A mandatory, a sign or line that requires the path of the disc to be above, below or to one side of it.
(n) :
(informal) The Mandarin language.
(adj) :
(slang) Clipping of mandatory. [obligatory; required or commanded by authority.]
(n) :
(music, informal) Clipping of mandolin. [(music) A stringed instrument of the lute family, having eight strings in four courses, frequently tuned as a violin, and with either a bowl-shaped back or a flat back.]