A lunatic! (luna-tick)
Purple, there are no bones in ice cream!
Baby, I'm sorry, but I can't be with someone who's as real as the Moon landing...
A hoarse fly.
I call it a picnic. It's a meal but outside with bugs and a high risk of bear attack." "Can I bring my kids " "Sure."
Because they're ear-rash-ional.
A lunatic.