Helpful topic info on Big Dildo:

How big is too big?
Where do you draw the line at too big of a dildo? Girth? Length? I get so nervous when ordering that I'm going to get a monster dildo!

Too big?
I wanted to get a large dildo to see what the possibilities would be, and I Instantly fell in love. Sorry men, I love you, but once women get their...

If you could have a GIANT plush animal what would it be?
I am blessed with a BIG plushy Wolf, and I wonder what the taste of the Edenites is!

Does using a large dildo make sex with your boyfriend less enjoyable?
Here's the deal--

I'm getting the Vixskin Outlaw for my girlfriend, a pretty much behemoth dildo measuring around 10 inches long and really wide...

big
do you like the idea of trying to take something that is too big for you?

I'm pretty sure the Dick Rambone is the longest, at 17".

The John Holnes is more realistic, but it's only 13" long.

DeliciousSurprise already pretty much answered the question... I just wanted to comment on how interesting your Christmas parties must be if whacking people with a large realistic dildo is part of the festivities.