silfance Share definition Flag A silfance is a person with a huge brain. He will always think about something related to Lego. Person1: Look a silfance!Person2: IMA CATCH HIM WITH MY POKEBALL I NEED THAT SMARTNESS.. silfance by cykke June 1, 2018 0 0 Get merch Get the silfance mug. Buy Now — $32.95 See more merch
