look up any word, like sex:
 
2.
Said in response to a statement that is believed to be false. The previous example where the statement is "Do you believe in God?" and the response is "Itchy beard" is wrong simply because a question cannot be false.
Jack: "Mine's ten inches - and that's flaccid"
John: "Itchy beard!"
by mikeymike99 June 10, 2009
 
1.
Used when one doesn't believe something to be true.
Jeff: "Do you believe in god?"
Dave: "Bahaha, itchy beard!
by Bad Ass Troll May 26, 2006
 
3.
when the hair around your arse starts to itchy.
blood: hey G

G: what blood

Blood: i got an itchy beard

G: safe blood
by youth May 24, 2004