What does it mean when George Lopez says “oh da lay” (sp?)?

whenever someone did or said something stupid he’d be like “oh da lay” i doubt thats the correct spelling but im just spelling how it sounds like.

How do you correctly spell it and what does it mean?

Orale, it’s like a term of disgust or disbelief.
He likes eating Lays potato chips.
I don’t know how to spell it but there isn’t a direct translation to english it’s just an expression like uhhhhh or like good going(sarcastically)

definitions vary by it’s context
I love his show my friends and I watch it every night. And I love the theme song