tiny penis vibes is a term to both describe the einy teiny weiny size of a persons theoretical penis but its also a way to describe someones vibes an example would be if someone did something incredibly stupid and then you can say to your friend "omg that person has so much tiny penis vibes". You can also use this term to describe someones tiny penis. Another term that is incredibly alike small penis vibes is the well known term small pp energy
friend number 1-"Hey look over there wtf is that guy doing"
friend number 2-"Idk but he for sure has a lot of tiny penis vibes"
Short-hand for the word floccinaucinihilipilification, meaning the estimation of something as valueless (encountered mainly as an example of one of the longest words in the English language).