sahte/hileli bir şeyi hakikî/iyi diye sürmek, bir şeyi birine yamamak. to foist inferior merchandise on a customer. Don't trust that shopkeeper: he'll try to foist off damaged goods on you. foist oneself on someone: birine yamanmak. They didn't invite him, but he foisted himself on them.
English-Turkish translations from the Atalay Dictionary, First Edition