To arrive at a bike sharing station with the intent of returning your bike, just to find it full.
The other day I got dockblocked at 14th and Harvard when I was about to dock my bike when some douche came out of nowhere and took my spot.
1. Any action to block a girl from getting action.
2. Situations that stop a girl from hooking up when she wants to.
She was going to get with that dude until his girlfriend dockblocked her.
Don't invite Jeremy, he always dockblocks Alison from getting some.