Three Irishmen in a pub.
Barman says,
“Are you all related?”
Mick said,
“Yeah, we’re triplets.”
Barman says,
“Triplets? How come you and Pat are six foot tall, and Tat is only four foot tall?”
“Well,” said Mick, “Me and Pat were breastfed, so there was no tit for Tat.”