Puzzlebrains

Do you really need any more specific instructions?

Jack of all trades, Master of none

Yes it is. And no, you're not.
I can't stop thinking there must be some merit in the rhyme of all yawl, but there's no way I can bend it to shape, so I should stop thinking that. But I can't.

Ohhh, that's quite a convolution!

So please set another

You know you know. If you swapped the word order it'd be the same as the spectral boxer, underfed though he might be.

Yes, that old mariner is pretty ancient. Spill the beans and go ahead with the next one then

Nobody is thirsty then?

Ghostly chicken (6,7)

(This one is maybe more suitable for Suvvern vahl manglaz than those as wot tork proppa)

Probably Novak has a similar thought about Carlos

(It's a line from a poem, rather than strictly a common saying)

Aye, a hot knife is her go to choice for a butter cutter. On ye go

A hot knife (6,6)

Ohhhhhhhhh. LITERALLY the president, I was thinking in a more cryptic way. Jacques Chirac rhymes.

No, I have also tried making a rhyme from Sarkozy or Chirac but not got anything to work. I also thought of cheese (President being a French brand of cheese) which seems a little plausible in the vein of "big cheese" but not working there either. Plenty of other wrong trees barked up too.

Well, I think your secondary question has been answered by now! Still nowhere on the rhyme though.

sort of continuing a slight theme (there are more direct continuations but still...) : W W E N A D T D

Y H H A A B O R

No...
You missed the S S A B F then? That Scurra answered in inviz text and explained in view.