Pulling a Bassi

a. When you make a promise to your friends or colleagues and then don't follow through on that.

b. A dutch boy who is always struggling with his schedule! and does not know when to say no or yes to plans.

Stop pulling a bassi on me Dave, you said you were gonna be here at 10.00
Ahaaa shit, John pulled a bassi on us! we were supposed to work on an assignment together