slowcoach

Noun

 * 1)  A person, especially a child, who moves slowly.
 * Hey, you slowcoaches at the back! Get a move on!
 * 1) * 1911, Chesterton, The Innocence of Father Brown, The Blue Cross:
 * They were both very quiet, respectable people; one of them paid the bill and went out; the other, who seemed a slower coach altogether, was some minutes longer getting his things together.
 * 1)  A person who is slow on the uptake; one who does not comprehend new ideas quickly.
 * 1)  A person who is slow on the uptake; one who does not comprehend new ideas quickly.