Double negatives are generally avoided in English grammar.

His jokes always have a double entendre, which is interesting.

Would you like to go on a double date tonight?

The power supply in this area comes from that electrical substation.

Please be very careful of one-click fraud.

I uploaded a large amount of data to the server using the File Transfer Protocol.

He is struggling with a methamphetamine addiction.

Everyone, please have a good new year.

Excuse me, may I come in?