rail 3 
(rāl)
(rāl)intr.v. railed, rail·ing, rails
To express objections or criticisms in bitter, harsh, or abusive language. See Synonyms at scold.
[Middle English railen, from Old French railler, to tease, joke, from Old Provençal ralhar, to chat, joke, from Vulgar Latin *ragulāre, to bray, from Late Latin ragere.]
railer n.