A sadistic, psychopathic, Illuminati-like demon that is surprising from a Disney show. Has a cult following of sexually frustrated teenage girls. Wears a bow tie and a top hat. Known for giving deer teeth to a ten-year-old, attempting to cause the apocalypse, and pouring soda on a kid's face, from inside the kid's body. while the kid's ghost watched in horror and disgust.
by maybe i am a fish August 25, 2016

Satan and Jesus rolled into one well dressed yellow triangle on a children's show. (also see illuminati)
ford: do either of you recognize this symbol?
ford: *holds up picture of bill cipher*
dipper: bill...
dipper: yeah he possessed me a while back it was not a fun experience.
ford:
dipper:
ford:
ford: okay what the actual fuck
ford: *holds up picture of bill cipher*
dipper: bill...
dipper: yeah he possessed me a while back it was not a fun experience.
ford:
dipper:
ford:
ford: okay what the actual fuck
by irl dipper pines October 25, 2015

by Billciphertrash January 1, 2016

by Bomberman1218 June 26, 2016

by immabeashufflin January 21, 2014

by MINDSCAPE January 28, 2017

Creepy yellow guy created by Alex Hirsch in the TV Show Gravity Falls. Originally going to be green. INFINITE POWER!
by GingerGirlFanfic September 19, 2016
