Forced into a position or situation where, under
normal circumstances, wouldn't have fit or belonged otherwise.
Much
like the device the term was named after, it is awkwardly insisting
something to be where it shouldn't.
The producer insisted the writers shoe horned a romantic sub-plot in what was supposed to just be a horror-themed crime
drama.
"There was no opportunity in the conversation for
Chris to talk about this thing that was only interesting to him, so he shoe-horned it into the conversation with an
awkward segway."