n. A bag filled with sand; small sandbags may be used as a weapon, or larger ones to build walls or as ballast; as, they kept the flooding river from the area by buiding a temmporary dike out of sandbags. [ WordNet 1.6 ]

v. To treat harshly or unfairly. [ wns=1 ] [ WordNet 1.6 ]

2. To hit something or somebody with or as if with a sandbag. [ wns=2 ] [ WordNet 1.6 ]

3. To protect or strengthen with sandbags; stop up; as, the residents sandbagged the beach front. [ wns=3 ] [ WordNet 1.6 ]

4. To thwart (another person's plans) by surreptitious maneuvers; as, he sandbagged my proposal by talking in private with other members of the committee. [ informal ] [ PJC ]

5. To intimidate or coerce, especially by crude methods. [ Informal ] [ PJC ]

6. To deceive and take advantage of (a person) by misrepresenting one's true intentions. [ Informal ] [ PJC ]

7. Hence: (Poker) To encourage opponents into betting more by first refraining from betting while having a strong hand, and only later raising the stakes. In informal games, certain types of sandbagging are forbidden. [ PJC ]

n. An assaulter whose weapon is a sand bag. See Sand bag, under Sand. [ 1913 Webster ]