1 definition by Sexy Lama

1

Abbreviation for: "I am not kidding." Generally used to clarify the seriousness of an Internet posting, even when content of post is comical.

This is the biggest load of crap I've ever heard. IANK.

by Sexy Lama November 21, 2007

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• © 1999-2021 Urban Dictionary ® • advertise • terms of service • privacy • dmca • bug report • help • blog • data subject request