[n] a bag filled with sand; used as a weapon or to build walls or as ballast
[v] protect or strengthen with sandbags; stop up; "The residents sandbagged the beach front"
[v] downplay one's ability (towards others) in a game in order to deceive, as in gambling
[v] hit something or somebody as if with a sandbag
[v] compel by coercion, threats, or crude means; "They sandbagged him to make dinner for everyone"
[v] treat harshly or unfairly