When it comes to baby names, especially the cute or playful nicknames known as "奶名" or "niming" in Chinese, they are typically meant to be adorable or carry a sense of personality. In English, we might translate these into something similar or give them an English twist. Here's a list of boy names that could be considered "霸气的乳名" or "dominant, fierce, or tough diminutives":

1. Maxy
2. Buddy
3. Tank
4. Iron
5. Rocky
6. Ace
7. Gadget
8. Duke
9. Blitz
10. Viking
11. Ace
12. J-Man
13. Bruiser
14. Diesel
15. Tank
16. Hammer
17. Rascal
18. Blaze
19. Blaze
20. Thunder
Remember that these are just translations or adaptations of common English nicknames with a hint of toughness or playfulness that might resonate with the concept of a "霸气的乳名." The actual names given to a child can vary widely depending on family preferences and cultural context.
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