Definition of nyamps in US English:
nyamps
noun
Jamaican
1An incapable, worthless, or stupid person.
2Something worthless; nonsense, rubbish.
Origin
Early 20th century. Origin uncertain; perhaps influenced by Akan nyâmma small, nyâmoo lean, meagre, feeble, or Ewe nyama disorderly + -p- + -s.
Pronunciation
nyamps
/njam(p)s/