1
It's when you take a girl's tits and go to town with your mouth like it's a free buffet and you're the only customer.
I asked her if she wanted a lacto-job and she said 'I'm not doing this at work.'
He did a lacto-job in the back of the bus and got caught by the driver.
She said it was a lacto-job and I said 'You're welcome, I'm just here for the snacks.'