Across
1
Temperature not-half cold during a picnic — drink warmer? (3,4)
5
Make a difference with effin' chow chow? (3,4)
11
Ancient Egyptian winds blowing away a 10 27 (3,7)
12
Fancy man's back in lecture (6)
13
Instrument with drum beaten with malice when mum's away (8)
14
Extremely excited, Posh and Ginger given cosmetic treatment (9)
16
Join something that's enjoyable when stripped? (5)
19
Rock like iron perhaps, but not lead thus rejected (9)
23
Singer in fine voice inspiring group (8)
24
Sloppy fluid for tentacled invertebrates (6)
26
Ass accompanying sheep in its noise as 10 27 (10)
28
Writing of clues going down (7)
29
Onion? There's no more, that's ___ ! (7)
Down
2
Country retreat almost entirely destroyed, one breaking in (7)
3
10 told to ___ lips and shut up! (5)
4
Observed across the Midlands, primarily, university courses limited here (3,4)
6
Old competition using one's trap? (6)
7
Main warning, flag is gone, having been cut off (3,6)
8
Scoff too much duck, before opening barrel (7)
9
Indicators don't go round like that, going the opposite way of course (8,2,3)
15
Constant rain's ending, light aircraft having turned its back into it (9)
18
What's lost on adopting alias? Fame ultimately (7)
20
Challenge Dahl's giant's self-introduction? (7)
21
Take advantage of cheers riding horse (3,4)
25
Disrespectful words from name on Australian radio? (5)