Definitions containing the term old-hat

What does old-hat mean?

RH	Red Hat Computing » General
KOTOR	Knights Of The Old Republic Governmental » US Government
KOTOR	Knights Of The Old Republic Governmental » Military
ODU	Old Dominion University Academic & Science » Universities
OOB	Old Orchard Beach Governmental » State & Local
RHEL	Red Hat Enterprise Linux Computing » Software
Y/O	Year Old Medical » Physiology
OTR	Old Time Radio Business » Positions
RHL	Red Hat Linux Computing » General
RHN	Red Hat Network Business » Firms
POTS	Plain Old Telephone Service Governmental » Military
POTS	Plain Old Telephone Service Computing » Telecom
POTS	Plain Old Telephone Service Computing » Networking
POTS	Plain Old Telephone Service Computing » Drivers
NOS	New Old Stock Business » General
GOP	Grand Old Party Governmental » Politics
GOP	Grand Old Party Governmental » US Government
OSF	Old Style Figures Community » Media
RHAT	Red Hat, Inc. Business » NASDAQ Symbols
RHCE	Red Hat Certified Engineer Business » Positions
TOH	This Old House Community » Media
TOH	This Old House Community
OASDI	Old Age and Survivors Disability Insurance Governmental » State & Local
OSV	Old Sturbridge Village Governmental » State & Local
POJO	Plain Old Java Object Computing » Software

banal, commonplace, hackneyed, old-hat, shopworn, stock(a), threadbare, timeworn, tired, trite, well-worn(adj): repeated too often; overfamiliar through overuse