blow up (one's) phone

(redirected from blow up their phones)
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blow up (one's) phone

To call someone repeatedly and/or send someone a lot of text messages. A: "Hey, your phone keeps lighting up!" B: "Ugh, I wonder who's blowing up my phone." A: "It's fine, I just texted him a few times." B: "More like 15 times! Stop blowing up his phone!"
See also: blow, phone, up