What does analfest mean?

analfest meaning in Urban Dictionary

Is a fest of several penises in an anus. Maybe it's multiple penises in a number of anuses (for example in a gang bang, where everybody has been doing anal and there's say two people to every anal area). Anal fest is an number of penises festering around an anal, like a fly. Anal fest is comparable to anal invader but is considering having one or more rectal invader.