The term used to describe the old-school phones with a standard abc keys on a flip or slide up phone.

Opposite of qwerty phones.
Girl 1: Ow, that's the third nail I've broken texting!

Girl 2: why's that? Oh. You have a triple thumb tap phone. See, I have a qwerty phone.

Girl 1: where have I been??
by Sexy text July 7, 2009
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