Walt: Nothin' much, I-I was...I was just-I'm calling to say I'm sorry, but I'm gonna be late tonight. Bogdan, he's got a bug up his butt--

from Breaking Bad (Ft. Moira Walley-Beckett & Rian Johnson) – Ozymandias on Rap Genius

Meaning

His very first lie. That’s one of the things we were going for. Not only to take us back to the beginning ‘cause we figured everybody—we wanted to see that. But it’s back in a time when Walt and Skyler’s marriage was amicable, was working. It was before all the chaos and this is the moment of Walt’s very first lie to Skyler.
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