Spend the night with phrase
To spend the night sleeping at someone else's home as their guest.
My son has just asked me if I allowed him to spend the night with his friend.
My cousin is going to spend the night with me tomorrow night.
To engage in sexual foreplay or intercourse with someone and sleep with him or her.
We've been in love for three years, but we've never spent the night together.
After only one week of dating, she decided to spend the night with him.
The verb "spend" must be conjugated according to its tense.
The origin of this phrase is not clear.