What does totted up mean?

"Totted up" means added together. It's a more informal way of saying "summed up" or "calculated the total".

Here are some examples:

* "We totted up the cost of the trip and it came to $1000."

* "I totted up all the points I earned and realized I won a prize."

* "The teacher totted up the scores on the test to determine the final grades."

It's often used in situations where you're dealing with a series of numbers or amounts that need to be combined to reach a final figure.