n (rowing) The point, in a race in which boats are spaced apart at the start, at which a boat begins to overtake the boat ahead.
n (Internet) A post in an Internet forum thread made in order to raise the thread's profile by returning it to the top of the list of active threads.
v (Internet) To post in an Internet forum thread in order to raise the thread's profile by returning it to the top of the list of active threads.
v (chemistry|of a superheated liquid) To suddenly boil, causing movement of the vessel and loss of liquid.
v (transitive) To move (a booked passenger) to a later flight because of earlier delays or cancellations.