Hi All late as always and lots
Any help greatefully accepted
13/22 Mathematician with brilliant vital statistics (chuckle) - clearly her boobs inspiring one? (6,5) ?A???L / ?????
15a Testicle and bollocks try to come first (5) ??N?D GYNOD? maybe
19a Mouse mat turned round, power on (6) ????O?
21/8 Testicle not OK, no bollocks the shape of a Samantha Janus (7,4) ?????O? / ???T
24a Oh to lie back with wild desire, hard being bound in leather (9) ????E????
25/20 Universally loved and admired journalist - shithead in prime gibbering cock (5,6) ??E?? / ??????
27a Identical two-ball throat cream found on edges of sleeve, something small and flavoursome (6,4) ?????? / ?E??
4d Hard-on achieved entering knob, one rigid (5) ?O?E?
5d Grasp quim (6) ???T??
9d Wanker's sausage tart (6,7) SALAMI / ???????
14d Casual gazes able to appear deviant (9) ?L???????
Thanks in advance you lovely people