The most common and most likely answer to this crossword clue is the 10 letter word BALDERDASH
I've seen this crossword clue in Financial Times
B
A
L
D
E
R
D
A
S
H
More clues leading to the result BALDERDASH
- Norse god a bit rubbish
- Tree finally planted during party? Nonsense
- Simpler career? Nonsense
- More obvious career for cobblers
- Rubbish race for the more slap-headed?
- Bunk bed's sides framing one timber beside another
- Tree died following onset of blizzard — tree in which you'll find rot
- Waffle: God has a little taste
- Norse god to frustrate stupid talk
- Bunk bed’s original ladder has broken
Buddy explains!

The straight part
We know that "Waffle" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case waffle = balderdash.The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.
What does BALDERDASH mean?
BALDERDASH noun- Senseless talk or writing; nonsense.
- A worthless mixture, especially of liquors.
- Obscene language or writing.
- To mix or adulterate.