I am sorry I do not have any knowledge of the possiblilty of clogging but I wanted to add that I have seen this done before. I will link the video
Video descriptition translated
"Kava in Vanuatu is sweet..... We usually drink it in our mouth, but those who don't have the chance, like my brother, put it in a tube and then insert it into their body. I was surprised when I first saw it, but it was a good experience when I tried it myself."