1. Of a stock or stock market, to increase in price or value as a result of something. The company's stocks have surged off the immense popularity of its most recent product. Markets around the world began surging off of news that the two countries would finally be ending their years-long trade war.

2. To radiate or emanate off of someone or something. Heat surged off of her body as she paused mid-run to catch her breath in the cold mountain air. I could practically feel the anger surging off of the boss as he listened to the woeful figures from the sales department.