29A 

29A is the equivalent of 666 in the hexadecimal number system.

Digital Weight Value
2 = 02 16^2=256 02*256=512
9 = 09 16^1=16 09*16=144
A = 10 16^0=1 10*1=10
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29A = 666

Many people like to put 29A on their screennames to subliminally say 666.

29A by ShoopKiller September 10, 2004

29A 

apart from the other thing about it meaning 666 its also a very small bra size

Bob: hey i heard ur girlfriend dumped u? i just came over to say HA.
John: yea shut the fuck up ur girl friend is a 29A

29A by i dont know my name January 27, 2008