What does SUM1 mean?

Someone



Other definitions of SUM1:

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How to use the term SUM1:

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More slang terms:

PMYMHMMFS

PMYMHMMFS

Pardon Me, You Must Have Mistaken Me For Someone

GTFOOH

GTFOOH

Get the Fuck out of here

GAN

GAN

Global Area Network

CCG

CCG

Collectable Card Game