Meaning
Colloquial Bambaiya slang: for no reason, needlessly, pointlessly; just idly.
See it in the verse
Khaali-peeli in Iqbal’s couplets
Ishq ki tegh-e-jigar-dar uda li kis ne
Ilm ke haath mein khali hai niyam ai saqi
Ilm ke haath mein khali hai niyam ai saqi
Who has carried off love's brave, heart-piercing sword? Knowledge holds only an empty scabbard now.
Love · Action · Courage
Tu huma ka hai shikari abhi ibtida hai teri
Nahin maslahat se khali ye jahan-e-murgh-o-mahi
Nahin maslahat se khali ye jahan-e-murgh-o-mahi
You are a hunter of the huma, your journey has only just begun; this world of birds and fish is not without its hidden purpose.
Aspiration · Youth · Hope