The unfortunate habit of spewing thoughtless, seemingly random, usually inappropriate and/or profane thoughts via text message. Often, these sentiments may be true, but fall under the category of "OK to think, but not to say out loud."

A jack off buddy (from 'cum' /'come', meaning 'semen', and 'companion'); a friend that you get together with for sessions of solo or mutual masturbation
Variant of: cumpanion (from 'companion' & 'cum'); jack off buddy & wank bud & JO buddy
Similar to: fuck buddy

the involuntary outburst of finger movement over a communication device that causes letters, words or phrases to be written unintentionally

The act of texting random words and letters during the middle of a text