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1.
The merged togather name which describes the shipping of Jack/Ianto from new sci fi show Torchwood. It's become a popular pairing as it started out like any other slash pairing, but due to the series/books has become canon.
It's fans are collectively know as the Stopwatch Brigade
"Janto is my no.1 pairing in Torchwood."
by Eternalwings January 06, 2007
 
2.
A person revered and cherished for great knowledge or insight.
He blew my mind like a janto, I have such respect for that man.
by leaf288 May 26, 2014