Vocabulary

ਨੱਸ
nass

vein, pulse, 'kharhi ae nass' = veins are standing/popping (pumped up, ready)

noun
In this song
Lalkaara · Diljit Dosanjh
Verse 4
ਖੜ੍ਹੀ Ae ਨੱਸ ਯਾਰ ਤੇਰੇ ਦੀ, ਮੜ੍ਹਾਸਾ ਕੱਸ ਲਿਆ ਨੀ
kharhi ae nass yaar tere di, madaasa kass lya ni
Girl, your boy's veins are popping, turban tightened up