adjective: (of an argument, sometimes hyphenated) Characterized by equivocation or by overly complex or specious argumentation; improperly reasoned.
noun: (uncountable, sometimes hyphenated) Chopped logic: reasoning which is improper; sophistry.
noun: (obsolete, countable, usually hyphenated) A logic chopper: one who makes confusing or specious arguments, especially arguments involving equivocation.
verb: To argue skillfully, using complex logic or clever reasoning.
verb: To make an argument which is illogical, especially one which is overly complex or which improperly uses fine or clever distinctions; to equivocate.