Gave them a bad time - Idioms by The Free Dictionary
give (one) a bad time (redirected from gave them a bad time)
give (one) a bad time
To tease, mock, or criticize one, usually over some action, task, or achievement. The coach really gave me a bad time when I missed that catch last night. I feel a little mean because I gave him such a bad time about his date last night.
give somebody a rough, hard, bad, etc. ˈtime (of it) (informal) make somebody’s life very difficult because you do not like them: Ever since I started work here, she’s been shouting at me and giving me a hard time.