Vocabulary

ਬਤਾਉਣੀ
batauni

to spend (time, life), here 'bitauni', to spend one's remaining life

verb
In this song
Boyfriend · Karan Aujla
Verse 2
ਜਿੰਨੀ ਰਹਿ ਗੀ ਤੇਰੇ ਨਾ ਬਤਾਉਣੀ ਆਖਦਾ
jinni reh gi tere na batauni aakhda
'However much life I have left, I want to spend it with you,' he says