How to tell the sex of a fly...

[desmondo]

A woman walked into the kitchen to find her
Husband stalking around with a fly swatter
"What are you doing?" She asked.
"Hunting Flies" He responded.
"Oh. ! Killing any?" She asked.
"Yep, 3 males, 2 Females," he replied.
Intrigued, she asked.
"How can you tell them apart?"
He responded,
"3 were on a beer can,
2 were on the phone.

[grassy1]

Nice one,Des!

[BenDoolan]

Hahaha good one