WIU
WIU definition by Slang.net
This page explains what the acronym "WIU" means. The definition, example, and related terms listed above have been written and compiled by the Slang.net team.
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An acronym used to tell somebody to stop talking or to come to a conclusion soon; originates from television broadcasts and speeches where there is a certain amount of time allotted and the speaker is going over the time limit.