In New Orleans it refers to the old type of granite-curbed sidewalks found throughout the French Quarter, the Marigny, uptown and several other neighborhoods.
If you drive too fast in a rain you'll splash people walking on the banquette.
1. alternate phrase for floats your boat; whatever makes you happy.
2. alternate phrase for toot your own horn; to flatter yourself or boast about your own achievements.
1.
guy 1: can i get some gasoline in my drink?
bartender: yeah sure dude, whatever blows your baguette.
2.
"not to blow my own baguette but I killed it on that math test."