What is Texaco?
1.
the urge to take a poop, so badly that you think that there is an excellent chance that you will have to drop a deuce in your pants.
I had a texaco while driving home from the flea market.
See
2.
One of the best gas stations around. Provide quick service with a pretty low cost. Best selection of candy available.
R: It's too bad that the Texaco near me got turned into a Shell.
B: Yeah, that's too bad. It's also too bad that you judge a gas station by its candy selection.