I think they should stop (why? your mum doesn’t stop!)

They are coarse and vulgar (your mum is coarse and vulgar!)

And what would our/your mums say? (your mum wouldn’t say anything as her mouth is always full!)

I think we all agree and look forward to some fresh, new comedy as we all try to broaden our comedy horizons. (your mum is the freshest comedy broad etc)