megadudeWiktionary 原文英美构词拆解megamega-前缀dudedude词干mega-(originally) Very large, great. · In the International System of Units and other metric systems of units, multiplying the unit to which it is attached by one million (106).词源说明mega- + dude释义名词noun1slang, datedA man who is very cool, stylish, etc.