An expression used to describe when the person you're calling is not expected to pick up. Thus, one may as well be calling a wall. Sometimes, these people hold perfectly good conversations via text. Yet for others, it is as if you are texting a wall too.
1.
Iván: "I really wanna to know the details for Saturday already."
Bily: "Why don't you just call her, bro?"
Iván: "Nah, I'd be calling a wall."
2.
Bily: "I wanna get to know her better, but I never see her anymore."
Iván: "So just call her, homie."
Bily: "Nah, I've tried. She's a call wall. At this point she probably replaced the phone icon on her iPhone with Instagram."
3.
Bily: Yo call this homie Latrell. I wanna go to Shake Shack already - I'm hungry as fuck.
Iván: Son, that's a wall call. You might as well ask this traffic light when Latrell is coming."
An expression used to describe when the person on the other end of a texting conversation is not likely to respond and is, therefore, essentially nonexistent. Thus, one may as well be texting a wall. Some people exhibit this behavior periodically; for others, it is a habitual thing.
Similar to calling a wall.
1.
Bily: "Why don't you just text her, bro?"
Iván: "Because I'd be texting a wall."
2.
Bily: "Have you been texting each other?"
Iván: "Sometimes, but she can be a text wall. It's better if I hit her up on Facebook."
3.
Iván: "So, did Latrell respond to your text? I wanna make the 8 o' clock show."
Bily: "Son, you know that's a wall text."