scut 1
/skut/ , n.
a short tail, esp. that of a hare, rabbit, or deer.
[ 1400-50; late ME: hare skutr stern ]
scut 2
/skut/ , n. Slang.
a worthless, contemptible person.
[ 1870-75; orig. uncert.; perh. continuation of Scots and dial. scout, scoot, ME scoute in same sense; perh. n. use of Scots scout to spurt, squirt out, SCOOT ]