The magical underwear would make your penis enlarge. 
... ... (secretly wants magical underwear now)

... ... (secretly wants magical underwear now)
╔═╪══╬═╦╦═╬══╪═╗
║♫ ♪ ♫ ♪ McGodless! ♪ ♫ ♪ ♫ ║
║ Bah-bah-bah-bah-bahhh~!║
║♪ ♫ ♪ ♫ I'm lovin' it! ♫ ♪ ♫ ♪║
╚═╪══╬═╩╩═╬══╪═╝
║♫ ♪ ♫ ♪ McGodless! ♪ ♫ ♪ ♫ ║
║ Bah-bah-bah-bah-bahhh~!║
║♪ ♫ ♪ ♫ I'm lovin' it! ♫ ♪ ♫ ♪║
╚═╪══╬═╩╩═╬══╪═╝
"And God said, drunk, 'Let there be Tails Turrosaki,' and there was Tails."