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1.
for serials is an evolution of "seriously" which became "for serious" and then "for seriously" and now is often "for serials?"

it is used to either emphasize or question a statement.
1: "hey guys, im preggo"

2: "for serials?"

or

1:im am for serials going to explode if we dont get to a bathroom soon, yo.
by hellzabaygruh October 11, 2010