skitter

Short definition from Wiktionary

Verb

1. 1
   To move hurriedly or as by bouncing or twitching; to scamper, to scurry; to scuttle.
2. 2
   To make a scratching or scuttling noise while, or as if, skittering.
3. 3
   To move or pass (something) over a surface quickly so that it touches only at intervals; to skip, to skite.
4. 4
   To cause to have diarrhea.
5. 5
   To suffer from a bout of diarrhea; to produce thin excrement.

Noun

1. 1
   A skittering movement.
2. 2
   Often skitters: the condition of suffering from diarrhea; thin excrement.