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1.
Derived from "gettin it in," when something is "in" (a particular situation is favorable) there is nothing else but to bring about awareness to how in it is.
1)

#1 Holy shit, did you see Pujols last night?

#2 YYESS! He had it in the whole night

2)

#Girl Ugh.

#VirginBoy Uhh.

#Girl ...mmm

#VirginBoy *whispers tenderly* It's in.
by drum669 August 13, 2011