This term is highly derogatory and can be hurtful to Polish people. Using 'Polack' in a conversation can be deeply offensive and is unacceptable.
Pro Tip 2/3
Avoid Usage
Do not use this word; it's considered a racial slur against Polish individuals. Instead of saying 'Polack', simply refer to someone as Polish.
Pro Tip 3/3
Cultural Sensitivity
Understanding and respecting cultural sensitivities is crucial while learning languages. He learned the importance of cultural sensitivity when he discovered 'Polack' was a slur.