Originally Posted by
Jamoni
Thinking maybe she heard "bored"?

... that was the joke. She's not a biker, so she's never run across the past-tense verb form of "door."
OTOH, I ride in the city all the time, and this is the first time in almost 40 years I've gotten doored, so I guess I'm doing OK. Ironic that it happened in our downtown's freshly installed bike lane.