I. ˈ ̷ ̷ˌ ̷ ̷ noun
Etymology: sand (I) + bag
: a bag filled with sand: as
a. : one used in a pile to form a wall, a revetment, a field fortification, or as a protection for buildings
b. : one used as a weapon swinging at the end of a staff or beam of a quintain or only partially filled for use as a club
c. : one used as ballast in boats and aircraft
d. : one used as a cover for a crevice to exclude drafts
e. : one used to prop a patient in position (as in bed or on an operating table)
II. transitive verb
1. : to bank, stop up, or weight with sandbags
workers were hurriedly building and sandbagging new bomb shelters — New York Times
2.
a. : to hit or stun with a sandbag
b. : to coerce by crude means
was really too young to come out but … had sandbagged her family into it — Al Hine
3. : to trap (another poker player) by checking a strong hand and then raising if he bets
intransitive verb
: to check with a strong hand in a game of poker with intent to raise the ante if another player bets
III. transitive verb
: to conceal or misrepresent one's true position, potential, or intent especially in order to take advantage of
intransitive verb
: to hide the truth about oneself so as to gain an advantage over another