Why do my ears pop on an airplane?

Often when people travel on an airplane their ears will pop, just after take off when the plane is rising and also on the planes decent.

The reason for this is that as we travel away from the earths surface the air becomes less dense. Any air that is trapped in your ear will then cause your eardrums to push outwards. This feeling is the feeling you get just before your ear pops. You will also notice that it becomes harder to hear, so you body then tries to equalize the pressure, by sending the trapped air into your Eustachian tubes. 

The Eustachian tubes are two tubes which connect your inner ears to your throat, this equalization is the sound you hear as a pop!

If on the airplane you find your ear won't pop, try eating sucking the boiled sweet the stewards & stewardess gave you

What is a Hobknocker?

Well, tbh i'm no overly sure what the meaning of a hobknocker is, but if you've watched icarly you may have heard the the word being used.

I've searched the net and found numerous versions of what the hobknocker definition could be...

• It could be some one who is cool but is also a nerd! (Not sure how that works?!)
• Someone who likes to go around hitting people in the private parts. (Nice!)
• Or its a large hairy man or woman that like to go around molesting small animals in he or hers spare time! (WTF!)

Like i said i'm not sure of the actual answer is but a large hairy man or women molesting small animals, that has got to be the weirdest thing ever!?