• "A ride on someone else's back or shoulders" is called - Piggyback.
• Piggyback (Noun)
- English meaning: A ride on somebody’s back, while they are walking.
- Bangla meaning: অন্য কারো পিঠ বা কাঁধে চড়ে যাওয়া।
• Other options:
- Cuddle: To hold somebody/ something close in your arms to show love.
- Bangla meaning: বাহুবন্ধনে জড়িয়ে কাউকে বুকের কাছে নেওয়া; নিবিড় আলিঙ্গন।
- Kickback: Money paid illegally to somebody in return for work or help.
- Bangla meaning: অর্জিত অর্থের জন্য সহায়তাকারীকে প্রদত্ত অংশ।
- Hunchback: An offensive word for a round part that sticks out on somebody's back, caused by an unusual curve in the spine (= the row of bones in the middle of the back), or for a person whose back is like this.
- Bangla meaning: কুঁজো লোক।
Source: Merriam & Webster Dictionary, Oxford Dictionary, Accessible Dictionary.