1: One may be a very long time (3)
2: Pointless drinks in disarray can lead to daggers. (5)
3: Short line in letter back-fires (5)
4: Fruit is found in waterfalls (7)
5: Swarms all over fashionable gatherings (7)
6: Now Elton heard California's big one (3)
7: I deem turds a regrettable necessity (11)
10: Genuine hesitation in church after transgression (7)
11: Exciting moment, actor as reviewer (11)
13: Sluggish trainer takes part (5)
15: Discompose each half of turbines (7)
16: Stopped and looked after blowing top (5)
19: She's a legend, but she's no leg-end (7)
20: G-man covering beat lit up Bic? (7)
22: It's an uproar to travel with wild dog (5)
23: Be of use to a head covering, we hear (5)
25: Age of neo-catastrophe? (3)
27: Cull out from top ten (3)