A style of bouldering problem that's short in height but contains burly moves. Commonly sloped slappy holds and body tension required. Not to beunderestimated.
In online gaming, the act of waiting for your teammates to injure an enemy player then striking the killing blow at the last minute. See also: Kill Stealing
Dammit, Johnny just low-balled me again! He's got 6 kills and 23 damage dealt this round!
Jim the Builder was in a program. He was caught drinking at the program. He was allowed to continue in the program for two days but we were secretly planning to can him. After two days, we dismissed him. He said, "Hey, you low-balled me!!"