dead on
adjective
Meaning
Very accurate
"Her Sarah Palin impersonation is dead on!"
adverb
Meaning
Exactly at
"The train arrived dead on 2 o'clock."
dead on
adjective
Meaning
Very accurate
"Her Sarah Palin impersonation is dead on!"
adverb
Meaning
Exactly at
"The train arrived dead on 2 o'clock."