also laughingstock; 1510s, formed by analogy with whipping-stock "whipping post," later also "object of frequent whipping" (but that word is not attested in writing in this sense until 1670s). See laughing + stock (n.2).
Examples from the Web for laughing-stock
Call a dozen coroners, by all means, and be the laughing-stock of the town.Cupid's Middleman|Edward B. Lent
I've become a laughing-stock, so I'll go and hide myself—bury myself alive, because I don't dare to die.The Road to Damascus|August Strindberg
As for his successor Claudius, he only saved him for a laughing-stock.The Lives Of The Twelve Caesars, Complete|C. Suetonius Tranquillus
They were indignant at having been imposed upon, and made a laughing-stock to the community.Jack in the Forecastle|John Sherburne Sleeper
To send out the lifeboat upon such a wild-goose chase would be to turn himself into a laughing-stock.Stella Fregelius|H. Rider Haggard