By A Mystery Man Writer
Berdly in his underwear. : r/Deltarune
underpants : r/dankmemes
SANS UNDERPANTS Meme Generator - Imgflip
Welp so much for post gen Z people >:( : r/memes
Undertale sans underpants Memes & GIFs - Imgflip
Underpants Sans Undertale Amino
saNESS - Imgflip
The ultimate battle : r/Undertale
Y'all remember Underpants? : r/Undertale