(Variations: where one can put [or shove or stick or stuff] may replace what one can do with) To know that one's offer, request, possession, etc, is held in extreme contempt •A euphemized way of saying that one can take something and stick it up his or her ass: I saw the contract, and he knows what he can do with it/ I told him where he can shove that great idea of his (1950s+)