sierrism

When someone can't think of a common word/phrase so they make one up
Sierra: wtlc
Connor: What does that mean?
Sofia: Nobody knows, it's one of her sierrisms
by TheConnorG February 14, 2017
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wtlc

Connor: Did you know that Italians are people too?
Sierra: No, wtlc
by TheConnorG February 14, 2017
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your moms cow

A generic phrase to be used when an unwanted person attempts to join into a conversation
Sierra: so what are you guys talking about?
Sophia: Your moms cow
by TheConnorG February 14, 2017
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