Instead of "intruding" in someone's space, one "inturds" in someone's space by making an ass of himself/herself in the process.
Having not agreeing to his wife asking for a divorce, he inturded
into his wife's papers and personal affects.
Or (thanks to my colleague):
There once was a man named McBride,
Who fell in an outhouse and died,,
And he had a brother
Who fell in another,
And now they're inturd