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No they dont they just wiggle in your fat hand
try the following web address
http://images.Google.com.au/images?client=firefox-a&rls=org.mozilla%3Aen-GB%3Aofficial&hl=en&q=Round+worm+in+dogs&btnG=Search+Images&gbv=2
No ring worm is a type of fungus infection
Burp the worm means when you play 5 v 1(a.k.a hand on dick) and you win (aka bust a nut)
1 hour and 17 min.