An unintellectual random line of letters when the keys of a keyboard are randomly pressed.
My cat stepped on my keyboard and I ended up sending an e-mail with keyboard vomit. (jvba;lewfjhgnsflkvjooo)
Written in response to a comment which contains serious grammatical errors. The first word of the response is "gramm" (with two m's) which may be followed by a remark that states that the original comment is either difficult or impossible to understand.
Anonymous: I like cat dancing counter WOW 1 bill views 6 million likes
Response to Anonymous: gramm, dude I can't understand what you said.
Response to Anonymous: gramm