IDK, my BFF Jill
I Don't Know, my Best Friend Forever Jill
A phrase that became popular after Cingular aired a funny television commercial about a mother scolding her daughter for too much texting and the daughter is responding to her only in text lingo. There are several homespun video follow-ups to this commercial posted on video sharing sites and right after it aired, apparently it was all you heard in high schools across the country "IDK, my BFF Jill?"
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NetLingo Classification: Acronyms and Text Message