informal
■ verb
1》 strike forcefully with a sharp blow.
↘defeat heavily.
↘place or insert roughly or carelessly.
2》 N. Amer. murder.
3》 ( ~ off ) vulgar slang masturbate.
■ noun
1》 a sharp or resounding blow.
2》 a try or attempt.
3》 Brit. a specified share of or contribution to something.
↘ N. Amer. a large quantity or amount.
Phrases
out of ~ N. Amer. & Austral./NZ
1》 not working.
2》 skewed or awry.
top (or full ) ~ chiefly Brit. the maximum price or rate.
Derivatives
~er noun
Origin
C18: imitative, or perh. an alt. of thwack .