ILUB
ILUB definition by Slang.net
This page explains what the acronym "ILUB" means. The definition, example, and related terms listed above have been written and compiled by the Slang.net team.
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Your SO might use ILUB to mean "I love you, baby." You're most likely to receive this expression of adoration in text or chat messages after you do or say something especially romantic.
If you need a quick response to ILUB, ILU2 should suffice. You can also send back a smattering of XOXOs if you want to get mushy.