It stands for the saying "Two Peas in a Pod".
p.s. stands for post script (after writing) and is spelt 'p.s.'
Two peas in a pod
The 4 PS of marketing are- P-product P-place P-price P-promotion
Professional Service
The p in PS means post script and you write it afer leters for things you forget. If you are referring to the old expression, "mind your p's and q's" it stands for pints.
"PS" means "Points Scored"
2 Goalkeepers on a Pitch (Football)
The plural form is Ps and Qs.The plural possessive form is Ps and Qs'.Example: Your Ps and Qs' training seems lacking.
5 points for a try and 2 points for a conversion.
postscript postscript
4 P's: Product, Promotion, Pricing, Place 2 C's Competition and Consumer
It is post script -otter