at loggerheads over (something)

at loggerheads over (something)

To be in conflict or disagreement with someone for some particular reason. A "logger" is a 16th-century term for a block of wood, so a "loggerhead" is a blockhead or fool. They are at loggerheads over the best way to lead the committee.

See also: loggerhead, over

Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.