Here's what happened when 12 random people took turns drawing and describing, starting with the prompt "Underpants Sans (Google it)".
Sans - Drawception
sans - Drawception
UnderPants Sans!Swap by alecoronel9 on DeviantArt
Underpants Sans (Reupload) by Cezar Andrade - Game Jolt
UNDERTALE UNDERPANTS Fangame
Sans Googles Himself - Drawception
Underpants. (undertale parody) - Drawception
sans. - Drawception
sans - Drawception
SaNs - Drawception
LEGO Multiverse, Video Games Fanon Wiki
1 is angry when X is found but Wearswears Sans (Nu by Abbysek on DeviantArt
Pixilart - UNDERPANTS SANS *with eye by MrLFG