Mucko-chummo
//ˈmʌ.kəʊˌtʃʌ.məʊ// adj, slang
adj, slang ·Uncommon ·Advanced level
Definitions
Adjective
- 1 matey; chummy dated, informal
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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.