When you gently set your nut sack on your girls forehead, thus fulfilling her life long dream of having a trunk.
I bet that dude at the bar would give me a big dick trunk! Oh yeah, take a pic and let's see!
by Elephantsneverforget January 29, 2017
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the base of the penis. Compared to a tree trunk.
Jason was wearing his jeans so low you could totally see his dick trunk.
by Jinde Kush June 20, 2015
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