Have you ever heard someone say, “Thank you, big time!” or “I messed up big time”? If you’re wondering what “big time” actually means — good news! It’s a super common and expressive phrase used in casual spoken English.

💡 What Does "Big Time" Mean?

In this context, big time means “a lot,” “very much,” or “seriously.” It’s used to emphasize the strength or intensity of what’s being said.

Let’s look at some examples:

• I love you big time.
  = I love you so much.
  (Meaning: I really, really love you.)

• I messed up big time.
  = I messed up a lot.
  (Meaning: I made a major mistake.)

• I owe you big time.
  = I owe you a lot or so much.
  (Meaning: I’m seriously grateful to you.)

When to Use It:

Use big time after a sentence to show strong emotion, gratitude, regret, or intensity. It’s informal and friendly — perfect for everyday conversations.