Snakes on a plane are fine, just not swears.

According to TMZ, Justin Bieber flew into a poop-storm last weekend during his return from a promotional tour. Justin and his entourage were on a 12-hour Air New Zealand flight, horsing around and yelling out swears, including some four-letter words.

Sources say a mother of two approached Justin and asked him to “stop yelling curse words and using that kind of language on a plane. It's not appropriate."

Total ruler slap to the wrist!

Because Justin is a good 18-year-old boy not a bada**, he was reportedly completely embarrassed and apologized to the woman. She should’ve made him wash his mouth out with soap like Ralphie in A Christmas Story.

Source: TMZ

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