The act of sticking a long tube into the male penis, through the urethra and into the epididymis tubes and sucking out the seminal fluids with your mouth. This technique is used both to pleasure a man, and to extract fresh sperm to be genetically modified for the creation of Urethrals.
Dan: Bro I didn’t know your girl knew how to epi guzzle! She was epi guzzling me so fucking hard last night!
Bob: Wait why the fuck were you with my girl?
Epi: v. to use Epi-pen on yourself or someone experiencing anaphylaxis
I’d better Epi, my throat is closing and I’m loaded with hives from that bee-sting
If Epi is your nickname in games, you must be op asf.
Pipi Epi