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1.
thun·der·crap (thuhn-der-krap)
noun
1. a loud, explosive, resounding discharge of excrement produced by the explosive expansion of air heated by a lightning fast discharge of the bowels.
2. a threatening or startling utterance related to a bowel movement
3. The Samsung Thunderbolt. It is a huge Thundercrap.
verb (used without object)
1. to give forth thundercrap
2. to make a loud, resounding noise like thunder from the bowels

See also: explosive diarrhea, Samsung Thunderbolt
OMG! After that burrito and case of beer last night I thundercrapped this morning. For a moment there I thought I had broken my toilet, but I realized it was just the thundercrap! IT was deafening!

I can't believe my samsung thundercrap dropped another call. I am so tired of this thing.
by TheFountOfKnowledge October 04, 2011
 
2.
When you yell "THUNDERCRAP! HOOOOOOO!!" as you release a painful oversized shit
He yells "THUNDERCRAPS HO!" right before he comes out of the bathroom crying
by Greggo my eggo July 29, 2011