Xbooru - 1boy 2010s 2015 2d 2d (artwork) anal masturbation anthro anthro only artist name artist signature asgore dreemurr beard blush boss monster caprine chubby chubby anthro chubby male closed eyes completely nude completely nude male cum cumshot digital media (artwork) dilf duly noted ejaculation furry furry male furry only genitals goat horns jerking off legs apart legs spread male male anthro male masturbation male nipples male only mammal masturbating while penetrated masturbation nipples nude nude anthro nude male penile masturbation solo anthro solo male spread legs third-party source undertale undertale (series) video game character video game franchise video games wanking wanking off white background white fur yellow hair