bash

American Heritage® Dictionary of the English Language, Fourth Edition

1. v. To strike with a heavy, crushing blow: The thug bashed the hood of the car with a sledgehammer.
2. v. To beat or assault severely: The police arrested the men who bashed an immigrant in the park.
3. v. Informal To criticize (another) harshly, accusatorially, and threateningly: "He bashed the . . . government unmercifully over the . . . spy affair” ( Lally Weymouth).
4. v. Informal To engage in harsh, accusatory, threatening criticism.
5. n. Informal A heavy, crushing blow.
6. n. Slang A celebration; a party.

Century Dictionary and Cyclopedia

1. To strike with a heavy blow; beat violently; knock out of shape.
2. To strike; knock.
3. n. A blow that knocks out of shape, or leaves a dent.
4. To daunt; dismay; abash; confound; confuse.
5. To be daunted, dismayed, or confounded.
6. To be abashed or ashamed; be put out of countenance.
7. In coal-mining, to fill with rubbish (space from which coal has been taken).

Wiktionary

1. v. To strike heavily.
2. v. To collide.
3. v. To criticize harshly.
4. v. To submit to Bash.org, or QDB.
5. n. A large party; gala event.
6. n. An attack that consists of placing all one's weight into a downward attack with one's fists.

GNU Webster's 1913

1. v. To abash; to disconcert or be disconcerted or put out of countenance.
2. v. To strike heavily; to beat; to crush.
3. n. a forceful blow, especially one that does damage to its target.
4. n. a elaborate or lively social gathering or party.

WordNet 3.0

1. n. an uproarious party
2. n. a vigorous blow
3. v. hit hard