The same as "bullshit", most famously used by Bam Margera during the series "Bam's Unholy Union"
"That is bellshit"
by Blaustiffft November 01, 2008
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Cop: License and registration!

Driver: Officer I was only going 10 over the speed limit I swear!

Cop: That's Bellshit I clocked you traveling 22 over as soon as you crested the hill!
by DonKehote August 16, 2011
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