I'm getting really rubbish at the inventive one-liner.
I called up my other half and found she was round at her sister's because it's her niece's 18th birthday today. So I said, 'Oh! Say happy birthday to her, and, er... say something funny for me, please...'
jackfrost
Pro
but later, a second after you hang up i bet you thought of a hundred and one witty things to say!