I. adverb
Date: 15th century
1. : over the whole extent
decorated all over with a flower pattern
2. : everywhere
looked all over for the book
3. : in every respect : thoroughly
she is her mother all over
II. preposition
Date: 1912
1. : in eagerly affectionate, attentive, or aggressive pursuit of
the band's fans were all over them
2. : in or into a state marked by all-out criticism of
the press was all over the coach after the loss