We were super pumped about going to the Taylor Swift concert.
The sentence "We were super pumped about going to the Taylor Swift concert." is an example of informal language.
The sentence "We were super pumped about going to the Taylor Swift concert" is an example of informal language because it includes the colloquial phrase "super pumped," which is more commonly used in casual speech rather than formal writing. To determine which sentence is an example of informal language, you can look for informal expressions or words that are typically used in casual conversations.