I facebooked your mum - You're bragging that your mum is so flirty she's probably be

You're bragging that your mum is so flirty she's probably been sleeping with your dad's best friend.

Your mum's got more flirts than my mum's got boyfriends.

I Facebooked your mum and said she's been cheating on your dad.

Your mum's flirting so much she's got a new boy every week.