What does the crowd yell back to bands when Mony Mony is played?

When "Mony Mony" is played, crowds often respond by yelling the phrase "Hey, hey, hey!" during the song's chorus. This call-and-response interaction has become a fun and energetic tradition at concerts, adding to the song's lively atmosphere. Fans typically engage in this chant, creating a sense of unity and excitement throughout the performance.