He had been "probably the most avid sandboxer . . . and mudder too." He smacked his lips over food and dramatic play often contained many references to food; he chewed gum ardently.
Source: wiktionary
Sandboxer
Synonyms for "sandboxer"
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Sample sentences
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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.