slang An impasse, deadlock, or stalemate from which no party involved will or can emerge victorious. Also written "stand-off." (Note: This phrase may be considered offensive to Mexicans or those of Mexican heritage.) Primarily heard in US. No one on the board of directors was willing to compromise their position on the issue, and with each of us having veto power, it looked like we were heading into a Mexican standoff.

slang The act of coasting downhill in an automobile with the gears in neutral, with the aim of either saving fuel or making the vehicle go faster than would otherwise be possible. He rolled down the mountain in Mexican overdrive, but as he reached a bend in the road, the truck was going too fast, and it went careering through the guard rails and into the ravine.

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.