dude, here they don't allow chatting on the school computers, so i usually get by talking to her with these huge-ass email trains each morning
when you form a chat-like conversation over the email with one or more people by simply replying again and again to the same message
"dude, here they don't allow chatting on the school computers, so i usually get by talking to her with these huge-ass email trains each morning" What is the definition of "email trains"?