These are the 2nd pair of underwear that I found with hole in the ass. The boy says the dog did it, however, no dog chews in a perfect circle like that.
The holes in my underwear tell a sad story. : r/funny
What is the use of the hole in front of men's underwear? - Quora
Balls keep ripping hole in underwear every time I squat : r/mildlyinfuriating
How to repair torn/hole in your underwear crotch/easy to fix - YouTube