Unstable because of poor construction or heavy use
a cracked, dangerously shaky table
Not safe or reliable; liable to fail or falter
thoroughly shaky evidence
Burns overcame a shaky start to beat the Red Sox
rickety: inclined to shake as from weakness or defect; "a rickety table"; "a wobbly chair with shaky legs"; "the ladder felt a little wobbly"; "the bridge still stands though one of the arches is wonky"
vibrating slightly and irregularly; as e.g. with fear or cold or like the leaves of an aspen in a breeze; "a quaking bog"; "the quaking child asked for more"; "quivering leaves of a poplar tree"; "with shaking knees"; "seemed shaky on her feet"; "sparkling light from the shivering crystals of ...
precarious: not secure; beset with difficulties; "a shaky marriage"
(shakily) in an insecurely shaky manner; "this theory is rather shakily supported by some obscure data"
Shakin' Stevens, also known as "Shaky" (born Michael Barratt, 4 March 1948) is a platinum selling Welsh rock and roll singer and songwriter. His recording and performing career began in the late 1960s, although it was not until 1980 that he saw commercial success in his native land. ...
Shaky is an album released by Shakin' Stevens in 1981.
Shaking or trembling; Nervous; Anxious; Full of shakes or cracks; cracked; Easily shaken; tottering; unsound
Refers to California in general, sometimes Los Angeles, and, occasionally, San Francisco.