Thanks for having a go everyone, wordplay below...
1. Not so boring sods, furiously tweeting perhaps(8)
Anag(furiously) of "boring(so)ds
2. Eponymous hero first bringing seasonal misery from the East(7)
B(ringing)FLU WOE reversed
3. Can an indefinite number be taken from an awfully big nose?(6)
Aang(awfully) of big(N)ose
4. An offensive bird may, arguably be picked and put in the team(6)
BONE(may arguably be picked) around XI(team)
5. The original Bisto, occasionally lumpy, ie mix well for good gravy(6)
B(isto)LuMpY mixed with IE
6. In the manner of Spooner somewhat conspicuous and talking nonsense(10)
rather bling - blather (r)ing
7. They may be uplifting and (bordering on sexism) in harmony with “tuck in the girls when it's cold outside”(5,6,7)
BRAS(may be uplifting)
SM(bordering on S(exis)M
ON KEY(in harmony)
W(ith)
EAT(tuck in)
HER(the girls)
Cook encourages a load of young nits to make breakfast perhaps, the ultimate waffle?(3,4)
Anag of final letters(ultimate waffle) - triple defn