down cold, have

Learn or accomplish perfectly. For example, I have this song down cold. The slangy use of cold for "completely" dates from the late 1800s and the phrase itself from about 1900.

Common Names:

Name	Pronounced	Usage
Marianna	mer-ee-AN-ə (English), mar-ee-AN-ə (English), mahr-YAHN-nah (Polish)	Italian, English, Hungarian, Slovak, Polish, Greek
Conchobhar	-	Irish, Irish Mythology
Josephine	['dʒəuzifi:n]
Pruitt	['pru:it]
GueniÈVre	-	French
Ildefonso	-	Spanish