In a text, the abbreviation “PP” might stand either “personal trouble” or a penis. Seven p’s in a row can also be written as 7P, which stands for “previous proper planning prevents piss lousy performance.”
The letters PP have historically meant for parcel post, past tense, post paid, or per procurationem, which is Latin for via proxy. None of these expressions are probably required in a text message. They shouldn’t, however, be completely discounted as potential readings of the letters. The text recipient should call the person who sent the message with the letters PP if they are unsure of what they mean. In reality, others argue that PP can mean “please phone,” therefore a call might be desired.