British & Australian, informal if something, especially a car, is clapped-out, it is in a very bad condition because it is old or has been used a lot.
He still drives a clapped-out Mini which he bought when he was at college.
clapped-out
⇨ clapped-out; clappedadjective
1
unserviceable as a result of use or neglect UK, 1946.
2
(of persons) exhausted, no longer effective UK, 1946
clapped-out
In poor condition due to overuse or age. This phrase is often applied to cars. Primarily heard in UK, Australia. You can hear her clapped-out car coming from a mile away because the engine is in such poor condition.