Stand up for your values. Psychology shows that it's better to be blunt and direct with Trumpers than to soft-pedal how you feel. Let them know the truth.
When they sputter at you, say:
"MAGA hats are hats for suckers–who haven't figured out yet that billionaires have lied to them.
Good luck paying back that $2 trillion tax cut for billionaires!
Sucker."