She loves double-dips on her ice cream.

She double-dips her chips in the salsa.

He is double-dipping his chips in the salsa.

He recorded three triple doubles in the game.

He double-crosses his friends for personal gain.

He double-crossed his business partner and stole all the money.

He is double-crossing his business partner.

He is a double-crossing friend.

I am double-checking the document before submitting it.

She always double-checks her work before submitting it.