Xbooru - 1boy 2010s 2017 2d 2d (artwork) 3koma ahegao animated skeleton blue blush blue penis blue tongue blush bodily fluids bottom sans comic comic panel comic sans digital media (artwork) drooling ectopenis english text fallen9choirs fluids hoodie implied penetration implied sex legs crossed legs spread male male ahegao male focus male only monster off shoulder onomatopoeia partially clothed partially nude penis precum profanity saliva sans sans (undertale) skeleton solo focus speech bubble spreading legs text text bubble tongue tongue out uke sans undead undertale undertale (series) video games visible breath