A derogatory allusion to Donald Trump, evocative of both his over-use of spray tan to hide his elderly pallor, and his continual dishonesty.
One wonders how evil citizens of the U.S.A. must be, to elect The Great Spray Tan as their dictator.
An awkward, foolish, or bumbling person who is also rude or otherwise socially offensive; a derpy jackass.
John: Your dick is so small, only your mum will let you f*** her.
Bill: Wait, what? You and your mom? Really? ROFL, you're such a derpojack!