In British
slang, a trump is a fart. Seriously, it's
always meant that. We did not just make this up in
2016. Only of course BBC newsreaders have to try not to giggle when they refer to the new president.
When I was a kid we would tease our friends when they farted. 'Eeurgh, you just
trumped!'
Now I'm a grown-up citizen, we tease our American friends when they elect a fart. 'Eeurgh, you just
trumped! '