Urban Dictionary: Rule 20

2.	Rule 20
	It is delicious cake. You must eat it! Call rule 20 on that cake naougwh! buy rule 20 mugs & shirts rules 20 cake internet guidelines by Chris000 Aug 27, 2008 add a video
1.	Rule 20
	If someone is 1337, lerk3r, or tr0ll, and do not know a mentioned rule "e.g. Rule 34, Rule 2, etc.", they must refer to rule 8, in which the unkownst must flash said boobs. girl- i just found some noobs guy-haha rule 6! girl-what's rule 6? guy-OH! OH rule 20! flash! buy rule 20 mugs & shirts boobs flash flashing rule rule 2 rule 34 rule 6 rule 20 by BobundSteve Sep 14, 2008 add a video