A trumpkin is the word used to describes a man specifically sucks another mans penis while both of them are wearing M.A.G.A shirts and the person who is getting there penis sucked is talking like trump while defecating.
Jarmahl: hey cris didnt you get a trumpkin yesterday.
Cris: yeah Jarmahl Yousif gives the best trumpkins.
Jarmahl: I bet he does man.