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To tally or add up some numbers, especially in relation to the cost of something. A noun or pronoun can be used between "tot" and "up." Tot up the various expenses you have during your trip and submit a request for reimbursement from payroll. I nearly fainted when the waiter totted up the bill and told us we owed over $300 for the meal. Let's just tot it all up and divide the cost equally between everyone here.
Farlex Dictionary of Idioms. © 2022 Farlex, Inc, all rights reserved.
To calculate something, especially by addition: If you tot up all the costs, you'll realize this project is too expensive.
The American Heritage® Dictionary of Phrasal Verbs. Copyright © 2005 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.