of very bad quality

below average

औसत से नीचे

English Usage: Her grades in school were pisspoor this semester.

Hindi Usage: इस सेमेस्टर में उसके स्कूल के ग्रेड औसत से नीचे थे।

very poor quality or standard

extremely unsatisfactory

अत्यंत असंतोषजनक

English Usage: His performance in the game was pisspoor.

Hindi Usage: उसका खेल में प्रदर्शन अत्यंत असंतोषजनक था।