high-and-mighty (
http://definr.com/high-and-mighty)
adj : offensively self-assured or given to exercising usually
unwarranted power; "an autocratic person"; "autocratic
behavior"; "a bossy way of ordering others around"; "a
rather aggressive and dominating character"; "managed
the employees in an aloof magisterial way"; "a
swaggering peremptory manner" [syn:
autocratic,
bossy,
dominating,
magisterial,
peremptory]