slang A breakfast substitute consisting of a cigarette and a cup of coffee or a glass of water. Potentially offensive, as it implies that someone from Mexico would be unable to afford anything more. I don't really have an appetite in the morning, so I just have a Mexican breakfast and head straight to work.I overslept, so I only had time for a Mexican breakfast before running out the door to catch my train.
Mexican breakfast
n. a cigarette and a cup of coffee or a glass of water. After a Mexican breakfast, I went to Marlowe’s hotel hoping to catch him before he went out.