고추 Gochu is the Korean word for red pepper and 고추장 Gochujang is the name of the Korean red pepper paste used liberally in many dishes. 고추 is also the cute way of saying penis, i.e. little boy penis, because they supposedly look alike. I never thought so until I did an image search and saw this:
The original uploader has noted in the title “성기 닮은고추” The peppers looks like genitals (성기).
This person reveals “이상한 멕시코 Penis Pepper(남근 고추)”. It’s a Mexican penis pepper.