[Islander7]

Balloons filled with red food coloring; if they like pink, they should mind.

[armymarinemom]

Hehehe. Or a pink pie.

[MadMax, the Grinning Reaper]

Try permanent pink dyes. That should settle the issue. Or skunk smell liquid. PeeYuu.

Name change to CODE PINKOS

[GOP Poet]

I like your thinking ;-)