use deception to gain money or possessions from (someone) fraudulently; swindle or defraud

a guy that scams old pensioners out of their savings

a dishonest scheme to gain money or possessions from someone fraudulently, especially a complex or prolonged one

it turned out that the investment opportunity was part of an elaborate and sophisticated scam

an insurance scam

a story, rumour, or piece of information

he knew a good media scam when he saw one

Carol met up with them during a London stopover to get all the scam on old boyfriends, home sickness, etc.