Vocabulary

ਨਹੁੰ
nau

nails (fingernails/toenails). Sounds identical to 'nau' (ਨਾਉਂ = name) — the song's double meaning wordplay

noun
In this song
Cousin · Josh Brar
Verse 1
ਦੇਖ ਨਹੁੰ ਪੁੱਛਿਆ
dekh nau pucchya
She inspected my nails and asked