1: Fathers start to applaud, in afterthought (3)
3: After company, disturbed cousins may be awake (9)
9: Harry, malign not our national cake! (9)
10: Call girl sting nabs head of Moral Majority (5)
11: Teen unclothes poorly dressed diners (13)
12: Attribute for a document copier (7)
15: Clothed in flannel, openly run away together (5)
17: Expose the French heavy weight (3,2)
18: Late, reflective Freud revolting, in part (7)
20: Defusing timer incorrectly can lead to this! (13)
24: Prohibit couple from erotically wearing less clothing (5)
25: Yogi's enthralled by boundless flings and deviant behavior (9)
26: Dairy stock entails wrangling around 2000 (9)
27: Bend in the middle and wind back (3)