An amateur or someone who is underqualified.
Something that is not up to acceptable standards.
Deceptive or underhanded rigmarole; trickery.
(with 'the') A bad deal; the result of a false promise.
A small-time crook or conman; Someone who operates unethically.
A tinkling, tinny style of music; honky-tonk.
A nonce word.
Of poor quality; shoddy, small-time, or amateurish.
That rinky-dink shelf is likely to collapse if you fill it with books.
Crooked; underhanded.
Tinkling and tinny.