|1.||Why am I on Dunlavy?|
Refers to street in Houston one commonly ends up on if they are lost.
Phrase is used for when someone is experiencing temporary insanity (possibly from a caffeine overdose) and either jumps to and from multiple topics in one conversation or winds up in the middle of nowhere when driving to a destination they have been to multiple times.
Person 1: Wait, I thought we were talking about the health care plan and now you're talking about shopping for your mother's birthday present?
Person 2: Why am I on Dunlavy?