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SIL

Beginner 📱 Gen-Z / Internet Slang

Definition

MILandFILare used to refer to the parents of the SIL's partner. SIL may also stand for "sister-in-law" so the context in which the acronym is used will indicate if it is referring to "son" or "sister."

Origin

slang.net

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📱 Gen-Z / Internet Slang

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