H/O
H/O definition by Slang.net
This page explains what the acronym "H/O" means. The definition, example, and related terms listed above have been written and compiled by the Slang.net team.
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H/O is an acronym that stands for "hold on" and is typically used online in chat rooms. It is another way of saying HOAS.
The acronym is often used when trying to tell a person that you need to pause the conversation or exchange for a moment. Some reasons for H/O may be to answer the door bell, answer a phone call, or go to the bathroom.