IFVB
IFVB definition by Slang.net
This page explains what the acronym "IFVB" means. The definition, example, and related terms listed above have been written and compiled by the Slang.net team.
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When someone sends you IFVB, it means they feel very bad about something. This acronym is most often used to express sympathy or regret.
For example, someone might say IFVB when taking responsibility for an action that hurt you. If you choose to forgive that person, you can respond with "I 4give u." If you don't, you can respond with "SU."