cob Thành ngữ, tục ngữ
	cob
to throw [Northern use.]
cob on
a temper:"She had a right cob-on when I told her I'd spent all our holiday money"
cobblers
1. an exclamation of disagreement; derived from the noun 
2. rubbish, nonsense; from the rhyming slang cobblers awls, meaning balls.
Blow the cobwebs away
If you blow the cobwebs away, you make sweeping changes to something to bring fresh views and ideas in.
blow away the cobwebs
literally to get rid of the webs that spiders make, this idiom means to do something which makes your mind "cleaner" and fresher: "After sitting in the same chair for five hours, I wanted to go out for a walk to blow away the cobwebs."
cobbler
cobbler see 
stick to one's last.