Saturday Times jumbo cryptic 1003

[racoony]

Thanks for help.I am stuck on 52 across.The clue is: the main comedian,funny-avoiding many dirty innuendoes to begin with.
I have O?E?N
Is the answer ocean? How does it work? I know main can mean ocean but cannot see rest of it

[Lie-in King]

52a Ocean (the "main") - anag 'co(m)e(di)an' - lose 1st letters of 'm(any) d(irty) i(nnuendoes)'

[Mamyalynne]

Comedian minus the fist letters of

many dirty innuendoes

[Mamyalynne]

oops first

[glasman]

Comedian- mdi(many dirty innuendoes beginnings)