semon demon Share definition Flag one who is a cum-guzzling whore, or just likes the taste of semon, matt: yeah man, she said she wanted to suck my dick and swallow my cum..todd: hah. whatta semon demon. semon demon by FuckerTucker February 8, 2010 0 0 Get merch Get the semon demon mug. Buy Now — $32.95 See more merch