a man who enjoyes inserting his penis in shampoo bottles.
As shampoo bottles are very thin at the opening this usually means that the man has a tiny pecker.
Ronald- "man i had the best shower this morning, but i ran out of shampoo, what a bummer!"

Malcom- "oh, when i run out of shampoo, i just shove my dick in the bottle, isnt that what everyone does?"

Ronald- "dude thats bloody wierd, you must be a shampoodaphile and thus have a small nob, init."
by jamalshamali September 2, 2009
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