phonepost

Etymology
From.

Noun

 * 1)  An online post made on a mobile phone, especially one which contains typographical or formatting errors.

Usage notes

 * Often used in contexts where the poster traditionally uses a computer or tablet, and is thus unskilled at typing on a smaller screen.

Verb

 * 1)  To make an online post from a mobile phone, especially one which contains typographical or formatting errors.