gentle sex

better than sex

Superlative; wonderful.

eye sex

A lustful or sexually-charged glance exchanged between two people.

fair sex

Women collectively.

gentle as a lamb

Very caring and calm.

gentle giant

A person or animal of a great size or strength, yet who is of a friendly nature and not aggressive or threatening.

sex machine

Someone with considerable sexual prowess.

sex on legs

A person or persons considered to be very sexually attractive.

sex pact

An agreement about having sex with a particular frequency, or in a particular way regardless of circumstances.