One who keeps multiple tabs open on their computer browser. Tab rats seldom close a tab and at times have so many open they slowdown or crash their computer. Confronted with unwanted audio playback they can have trouble finding the source as they sort through tab after tab. Analogous to a pack rat.
My mom the tab rat tortures her computer, never closing a tab on her browser while complaining about how slowly it runs.
by farbolous November 22, 2018
Get the tab ratmug. my girlfriend had an appointment this morning and woke up late and was on tab-time and wanted to rush out
by Georgia peach 563 September 19, 2025
Get the tab-timemug. 
A tab(s) on ones web browser that has windows containing pornography that was searched late at night for sexual pleasure
by Heyitsj000 April 4, 2019
Get the 10:30 Tabsmug. Dallas based startup building the future of dining. Their app allows diners to eat without waiting for a check. #seamless
by hman29 May 15, 2023
Get the Tabbedmug. A special button on your keyboard you never use unless you are trying to activate high contrast mode on a Chromebook instead of working on some Google Form about math
by cxr4 October 8, 2019
Get the Tabmug. by Tabsabsorber August 1, 2023
Get the Tabsmug.