BOATYMCBOATFACE

ADVENTCALENDARSTheir last windows are opened on Christmas Eve ARMOREDDINOSAURAnkylosaurus, for one BOOGIEDOWNBRONXHip-hop's birthplace, colloquially COLORADOSPRINGSDesperately poor lad crossing city SEEMSREASONABLE"That's not so outrageous" LOSTONESDIGNITYDidn't save face ASANENDINITSELFHow humanity exists, per Kant INCOMPLETEGRADEI may stand for it VOICECONTROLLEDSmart, in a way BOLTONWANDERERSEccentric wore brand stolen from football club PUTAFACETOANAMEFinally meet in person, or how to make the starred clues match their answers HAVETHELASTWORDGet final say in an argument, e.g. INCIDENTALMUSICPopular tune - claim disc misrepresented original theatrical version? LAUGHOUTOFCOURTRefuse to consider some fun, having nowhere to play tennis?