Chat up line...

[rebbonk]

I saw a pretty lass in the pub last night, so I went over to talk to her.

She said, 'Get lost, loser.'

I replied, 'Loser? Me? I'll have you know I'm in the Guinness Book of Records.'

'Really? What for?'

'Highest reading ever obtained

Spoiler:

on a police breathalyser.'

[dutchman]