1
general::
Phrase(s): fasten (up)on someone or something
1. Lit. to take firm hold of someone or something. • She fastened upon me and would not let me go until she finished speaking. • I don’t like people who fasten on me and ask a lot of questions. 2. Fig. to fix one’s attention on someone or something. • He fastened upon the picture for a brief moment and then turned away. • The baby fastened on the television screen and watched it for many minutes.
McGrawhill's American Idioms And Phrasal Verbs