/ring"kee dingk'/ , Slang.
adj.
1. inconsequential, amateurish, or of generally inferior quality; small-time: a rinky-dink college; He plays with some rinky-dink team.
2. outmoded or shabby; backward; antiquated: a rinky-dink airline.
n.
3. a person or thing that is rinky-dink.
[ 1910-15; rhyming compound (perh. based on alter. and nasalization of RICKETY); cf. RICKY-TICK ]