1 Mark screws cunts and ringpieces, primarily (4)
2 Hand pump activating lengthy mulligan, originally (4)
3 JFK, say, tickling comrade with todger initially (8)
4 Scrummy couple of big, ugly fuckers and a mucky hooker (5,3)
5 Perform cumulonimbus on that thing? You're not fucking kidding! (2,4)
6 Attatched to a chap's knackers, recta with lust I buggered (10)
8 Bear of fiction taken from the bottom (5)
10 Ditch lickalotopus (4)
13 Mix of tits and gash is for ejaculation aimed at groom-to-be on being arrested (3,3,4)
14/19 Tap toe holding drink (3,3)
17 Toy phone jiggling in waxy fanny (8)
18 Soldier down gobbling queen: stop! (8)
19 See 14
21 Beauty endlessly prodding hairy saddlebag, lady enjoying showing her tits and fanny to all and sundry? (6)
22 Fuck some camel (4)
23/25 Madre fucked by wanker, say, in wanky Spanish resort (5,2,3)
26 Fuck buddy (4)
27 Device that stretches funbags (4)