Top definition
When a girl has to make up a reason to not have sex with a guy after she realizes he has a micropenis. Common bobs evacuations are "I have to attend a funeral" and "my grandma needs more home"
Rachael: So I heard you guys went all the way. How did it go?
Jordy: I thought it was gonna be good but I had to do a bobs evacuation.
by Davis1326 July 15, 2017
Get the mug
Get a bobs evacuation mug for your Uncle Trump.