РЕВМЯ РЕВЕТЬ collVP, subj: human to cry very hard and loudly. X ревмя ревел - X cried his eyes outX howled (bawled) for all he was worth.
...Они (ребята) ловили меня, обхватывали за колени, ревмя ревели, приговаривая: «Евгеничку Семеновну опять на этап»... (Гинзбург 2). They (the children) caught me, clung to me, howled for all they were worth, and chanted. "Our Eugenia Semyonovna is off to camp again'" (2a)