ISKT 

Internet slang/acronym for "I Should Know This", indicating that the relevant input or query is within the area of interest and/or expertise of the poster, but admitting to a gap in knowledge or understanding.

Anyone remember the capital of Paraguay? I have a geography test in five minutes, so, ISKT.

ISKT by Alpinwolf January 15, 2013

iskt 

the definition of iskt is {I So Knew That}.

iskt! no you didn't . lmao yes i did. duhh.

iskt by applebottom2951 March 31, 2008