À la is French. Translated literally it means “to the.”
In common English usage à la means either “in the manner of” or “flavored with. So one might refer to “behavior à la pompous ass,” to mean behavior in the manner of a pompous ass. Its sad how often this can come in handy in everyday conversation.
And, if you are cooking you might say, “stew à la turd,” as a fancy way of saying stew flavored with … well, never mind.