hornswoggle UK /ˈhɔːn.swɒɡ.əl/US /ˈhɔɹn.swɑ.ɡəl/noun 1verb 1forms 3 noun1 •(slang) nonsense; humbug verb1 •(slang) To deceive or trick.Don't let them hornswoggle you into buying anything you don't need. formshornswoggled · hornswoggling · hornswoggles