Blow up (one’s) phone
의미:
(누구에게) 계속해서 전화를 걸다, 다량의 문자를 보내다
예시:
If I think my ex is with a girl I blow up his phone
I blew up his phone during exam weeks and he answered all my questions.
When her diagnosis became public and everyone blew up her phone, she rarely responded.