Butsukari otoko (ぶつかり男, 'Bumping man') means a man who deliberately does a ramming attack against a woman within a station precinct. They are also called Takkuru otoko (タックル男, 'Tackle men'), Taiatari otoko (体当たり男, 'Ramming men') and Butsukari ojisan (ぶつかりおじさん, 'Bumping old men')