like a rat up a drainpipe

like a rat up a drainpipe

Very hastily and opportunistically. Like rats up a drainpipe, scalpers started snatching up as many tickets for the concert as they could so they could resell them to fans at greatly increased prices. The staff at these stores always rush over to you like rats up a drainpipe, eager to convince you to buy several things you don't need.
See also: like, rat, up

like a rat up a drainpipe

with great and opportunistic speed and vigour. informal
2005 Scotland on Sunday Give Bazalgette an opening, and he's in there, like a rat up a drainpipe.
See also: like, rat, up