That's TJ Baby

That's TJ baby
As in that's Tijuana baby
When you had a crazy night that got out of control and you wake up with problems. That's what happens when you party to hard. It's cool though and everything is fine. Because that's TJ baby.

Can also be used with most cities known for getting wild.

Vegas or Bangkok

Two guys drinking beer after a party got out of hand

Guy A: man we got wasted
Guy B: yah you gave me a black eye
Guy A: well that's TJ baby
Guy B nods: Bangkok

Clinks glasses

Or

Groom: did I sleep with that stripper

Best man: yup, you think Becky will understand

Becky: that's Vegas baby