Talk:Temmie Armor/@comment-27685766-20160127102950/@comment-26521006-20160128053328

"How To Pronounce Penis" by PronunciationManual

Alternatively, it comes from a screencap of the Yowamushi Pedal anime where "bepsi" was altered to say "bepis" instead. Most people recognize this associated with "not only does she want to drink this bepis"

I presume that Toby Fox learned the word from the 'alternate definition' since the replacement image for the "don't upload the sprites" image in UNDERTALE v1.001 would be sort of vulgar if we were going by the former definition.