wonk wonk [wɒŋk ǁ wɑːŋk] noun [countable] informal
someone who works very hard, is very serious, and knows a lot about a particular subject:
• He started to become a policy wonk in his new career as a management consultant.
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wonk UK US /wɒŋk/ noun [C] INFORMAL DISAPPROVING
► someone who knows all the details about a particular subject, particularly one that other people might find boring: »
The Senator was considered to be a policy wonk.
Financial and business terms. 2012.