caught them doing the SIN, cos, tan (bad trigonometry joke, I'm sorry, you have permission to euthanize me)
bonus:
#I don’t know WHY on earth I drew this but sir mix-a-lot was playing so maybe that explains it#the book of bill#gravity falls#billford#Art Of The Sun Chip#gravity falls fanart#stanford pines#bill cipher#fiddleford mcgucket#fiddauthor#artists on tumblr#ford pines#art#drawing#fanart#my art#doodle#illustration#procreate#comic#please don't repost my artwork onto other sites thank you!