tinker's dam

Từ điển Oxford Learners Wordfinder Dictionary

noun

something of little value
- his promise is not worth a damn
- not worth one red cent
- not worth shucks
• Syn:
damn, darn, hoot, red cent, shit,
shucks, tinker's damn
• Derivationally related forms:
shitty (for: shit)
• Hypernyms:
worthlessness, ineptitude