#1 rack up v. gain points in a game; "The home team scored many times"; "He hit a home run"; "He hit .300 in the past season". wn
#2 rack up v. place in a rack; "rack pool balls". wn
#3 rack up v. defeat thoroughly; "He mopped up the floor with his opponents". wn
#4 rack up v. supply a rack with feed for (horses or other animals). wn
vizzz