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general::
Phrase(s): fit someone or something up (with something) [and] fit someone or something (up) with something
to provide someone or something with something for a particular purpose. • We fit the couple up with fins, masks, and snorkels for skin diving. • The clerk fitted up the couple with diving gear for their vacation. • She fit them with tanks and weights.
McGrawhill's American Idioms And Phrasal Verbs