Use old english to be rude, sassy, and insulting with the funny phrase "partake of my undermeats" which essentially boils down into a non-gendered, vague form of "suck my dick" or "bite my ass". No one will doubt your wit and charm with a sassy, classy 16th century inspired phrasing of a modern dirty insult! So go on, tell some strangers or your friends to partake of the undermeats when you're having a bad day!