Somewhere, I am pretty sure I have read the Advocat ref to eggnog in this verse, however, I can't remember where or anything more than that...
“So, egg? nog? You sure that’s what they call it?”
He took a deep sniff.
“Looks like Advocat to me, mate, smells like it too.”
He wrinkled his nose in distaste.
“Bloody stupid drink if you ask me! Looks like…”
“Quite, I really don’t need you to finish that thought. I shudder to think what analogy you will find. No one’s forcing you to drink.”
“Oi! Geroff! Keep yer mitts to yerself, watcher! Beggars and choosers and all that crap. Chin, chin."
He gulped the liquid down in one mouthful, barely tasting it, because it had been given to him, damnit. It was his.