1. noun, Vagina, Pussy, Female Genitalia, Female Genital or Sex Organ. This sense used mainly in the South Western part of Bangladesh.
2. noun, Ass, Arse, Donkey, Asshole, Arsehole, Bun, Bum, Butt. This sense used mainly in the Greater Dhaka and surrounding areas.
Origin: a Bangla slang word, widely used in Bangladesh and among the Bangladeshi diasporas in the UK and the USA.
Example 1: Nancy has a great tight putki.
Example 2: Rashed's boyfriend likes his tight putki.