Fightme

So have you ever wanted to be threatening.....but it came out as adorable. 
So I always see art in underfell where sans is more submissive or is bulled around by papyrus, but doesn't really stand up for himself do to low self esteem. I can understand that, But what if every time he does stand up for himself he ends up embarrassing himself or no one take's him seriously....just a fun thought I had with the help of a commenter