Top Definition
a bong named after a slight misconception of words involving a grandaddy longlegs spider.
While sitting in a circle in the mountains smoking a bong at night:
"Holy shit! A Grandaddy longlegs!"
"What? I didn't know u called one of those things a grandaddy bonglegs."
by Sarah Carpenter August 10, 2006
5 Words related to grandaddy bonglegs

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