Xbooru - 2020s 2021 2boys 2d 2d (artwork) absurd res animated skeleton artist name black bottomwear black clothing black pants blue blush blue clothing blue eye blue hoodie blue jacket blue penis blue topwear blush blush lines blushing male bodily fluids bone boots bottom sans bottomwear brother brother/brother brother and brother brothers candy candy cane christmas christmas clothing christmas headwear christmas sweater christmas topwear clothed clothing covering mouth covering own mouth dessert digital media (artwork) dominant dominant male duo ectopenis ectoplasm ectotongue english text fluids fontcest food food fetish food insertion food play footwear ganzooky genital fluids genitals gloves glowing glowing eye green background greeting card hand on mouth hat headgear headwear hi res holidays hooded jacket hoodie improvised sex toy incest jacket legs apart male male/male male only maledom malesub merry christmas monster nsfwsinningsans object insertion orange blush orange tongue pants papyrus papyrus (undertale) papysans pattern bottomwear pattern clothing pattern pants penis pink slippers precum red boots red clothing red footwear red gloves red ribbon ribbon ribbon on penis sans sans (undertale) santa hat seme papyrus skeleton slippers snow socks sounding spread legs striped bottomwear striped clothing striped pants stripes submissive submissive male sweater text tongue tongue out top papyrus topwear translucent penis two-tone background two tone background uke sans undead undertale undertale (series) urethral urethral insertion video games white border yaoi