shred (
http://definr.com/shred)
n 1: a tiny or scarcely detectable amount [syn:
scintilla,
whit,
iota,
tittle,
smidgen,
smidgeon,
smidgin,
smidge]
2: a small piece of cloth [syn:
rag,
tag,
tag end,
tatter]
v : tear into shreds [syn:
tear up,
rip up]