gallop through (something)
1. Literally, to travel on horseback very quickly through some place or area. (A "gallop" is a running stride by a horse.) My horse galloped through the countryside while I clung to the reins in terror.
2. By extension, to do something hastily and, often, sloppily. I can tell you galloped through this essay—look at all these spelling errors!
gallop through something
1. Lit. [for a horse] to pass through something at a gallop. Her horse galloped through the garden and dumped her in the cabbages. A few horses galloped through the meadow.
2. Fig. to go through something quickly; to do or perform something rapidly and perhaps carelessly. Mike galloped through his song and left the stage in a hurry. Don't just gallop through your homework!