guzzler Share definition Flag when a male ejaculates into another humans mouth, then make-out while swabbing the sperm back and forth in eachothers mouth Me and my boyfriend did the guzzler the other day. It actually didnt taste that bad. guzzler by theholywubz October 19, 2008 0 0 Get merch Get the guzzler mug. Buy Now — $32.95 See more merch