...no, I haven't seen the cat. Why? ..
A frustrated wife buys a pair of crotchless panties in an attempt to
spice up her dead sex-life. She puts them on, together with a short
skirt and sits on the sofa opposite her husband sipping a glass of wine.
At strategic moments she uncrosses her legs wide enough that her husband asks,
"Are you wearing crotchless panties?"
"Y-e-s," she answers with a seductive smile.
"Thank God - I thought you were sitting on the cat."
He never saw the glass coming