[Macrinus]

Customers who brandish balloons are almost always trouble.

[morphing libertarian]

Im thought that was reference to parts of a woman’s body

[lightman]

Customers who brandish balloons are almost always trouble.

...especially when they are urine-filled.

[Trillian]

I’ve known quite a few little terrors like that ;)

[RainMan]

A popping balloon can sound like a gunshot. I was at a resort earlier this year where there was a shooting, and 2 hours later the entertainment staff was popping balloons and guests were diving for cover.