What does IRSTBO stand for online and in messages?

It really sucks the big one

IRSTBO is an acronym that stands for "It really sucks the big one," which is another way to say that something really, really sucks. It is typically seen online or in text messages.

The acronym is useful for reducing the number of characters from the original phrase, it's a very obscure acronym that will most likely confuse recipients. Therefore this acronym should only be used with people that are already familiar with the acronym or at least the phrase. If the person is unfamiliar with IRSTBO, you most likely will have to explain it the first time you use it, which kinda defeats the purpose of the acronym.


IRSTBO to lose the championship in overtime

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Updated July 29, 2019

IRSTBO definition by

This page explains what the acronym "IRSTBO" means. The definition, example, and related terms listed above have been written and compiled by the team.

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