Here the apostle was evidently referring to the calf worship that took place right after the Israelites concluded the covenant with Jehovah at Mount Sinai.
Siin viitas apostel ilmselt vasikakummardamisele, millega iisraellased hakkasid tegelema kohe pärast seda, kui nad olid Siinai mäel Jehoovaga lepingu sõlminud.