I looked up the word “Negus” and here is what I got:
“a hot drink of port, sugar, lemon, and spices.”
a hot drink of port, sugar, lemon, and spices.
I know I'm probably wrong but to me 'Negus' sounds like somewhere Buttgieg likes to stick it.
BTW my brother had a school buddy who had a deep tan, they used to call him Negus