v. t. to lie in ambush for, lie in wait for.
Syn. -- ambush, scupper, lie for, waylay, lurk, ambuscade. [ WordNet 1.5 ]

v. i. 1. to live in the bush as a fugitive or as a guerilla. [ WordNet 1.5 ]

2. to cut one's way through the woods or bush. [ WordNet 1.5 ]

n. 1. One accustomed to beat about, or travel through, bushes. [ U.S. ] [ 1913 Webster ]

They were gallant bushwhackers, and hunters of raccoons by moonlight. W. Irving. [ 1913 Webster ]

2. A guerrilla; a marauding assassin; one who pretends to be a peaceful citizen, but secretly harasses a hostile force or its sympathizers. [ U.S. ] Farrow. [ 1913 Webster ]

n. 1. Traveling, or working a way, through bushes; pulling by the bushes, as in hauling a boat along the bushy margin of a stream. [ U.S. ] T. Flint. [ 1913 Webster ]

2. The crimes or warfare of bushwhackers. [ U.S. ] [ 1913 Webster ]

v. t. [ imp. & p. p. Whacked p. pr. & vb. n. Whacking. ] [ Cf. Thwack. ] 1. To strike; to beat; to give a heavy or resounding blow to; to thrash; to make with whacks. [ Colloq. ] [ 1913 Webster ]

Rodsmen were whackingtheir way through willow brakes. G. W. Cable. [ 1913 Webster ]

2. To divide into shares; as, to whack the spoils of a robbery; -- often with up. [ Slang ] [ Webster 1913 Suppl. ]

v. i. To strike anything with a smart blow. [ 1913 Webster ]

To whack away, to continue striking heavy blows; as, to whack away at a log. [ Colloq. ] [ 1913 Webster ]

n. 1. A smart resounding blow. [ Colloq. ] [ 1913 Webster ]

2. A portion; share; allowance. [ Slang ] [ Webster 1913 Suppl. ]

3. an attempt; as, to take a whack at it. [ Colloq. ] [ PJC ]

--
Out of whack, out of order. [ Slang ] [ Webster 1913 Suppl. ]

n. [ 1913 Webster ]

1. One who whacks. [ Colloq. ] [ 1913 Webster ]

2. Anything very large; specif., a great lie; a whopper. [ Colloq. ] Halliwell. [ 1913 Webster ]

a. Very large; whapping. [ Colloq. ] [ 1913 Webster ]

v. t. to sever with a blow; to cut off. [ PJC ]

v. i. to masturbate. [ Vulgar ] [ PJC ]