Vocabulary

ਖੰਘਣਾ
khangna

to cough, clear the throat. Repeated khangna-khangna = the performative flirty cough used to get someone's attention in Punjabi village courtship.

verb
In this song
I'ma Do My Thiiing · Karan Aujla
Verse 1
ਦੇਖ ਮਿੱਤਰਾਂ ਨੂੰ ਛੱਡ ਬੀਬਾ, ਖੰਘਣਾ-ਖੰਘਣਾ
dekh mittaraan nu chadd biba, khangna-khangna
Look, drop the fake-cough routine already.