1: Wizards covered in liquor and beer...it might be for charity (7, 4)
6: Vicar regularly outdated technology (1.1.1.)
8: Guy who can last in Roman orgy (4,3)
9: Those emptying the boat of water start to belittle those who are seasick? (7)
11: Oscillating crystal perhaps not so rare (9)
12: 18-across Buyers should check this run around shops (5,5)
14: Does loose change forfeit worn tail for false head? (5)
16: Sounds like a bright child (3).
17: He wrote a bit of poetry! (3)
18: Eights had to race again, we hear, concerning fish spawn. (2, 3)
20: Start reorganizing notes (5)
21: Coach abdicated direction to players (5,4)
23: Dilapidated sofa contained initially some hot embers: something's burnt remains. (5, 2)
25: Guy is nice to our species (7)
26: One may be a very long time (3)
27: Boob implant cups: sad hoax in line with 15-down (8,3)