low blow(redirected from a low blow)
1. Literally, a punch or blow struck beneath one's navel or belt line, typically considered unfair or unsportsmanlike. I stood up to confront the man for taking the money, but he landed a low blow and ran off while I was stunned. OK, I want a good, clean fight—no low blows, you hear me?
2. An attack or insult on someone that is considered particularly unscrupulous, unfair, or underhanded. I thought their campaign ad bringing up my divorce was an especially low blow. That's a low blow, Jeff. I simply couldn't afford to help pay for Mom's treatment at the time, and you know that!
An unscrupulous attack; an insult. For example, When my roommate moved out without a word of warning, leaving me to pay the entire rent, that was a low blow , or She wanted to win the argument, but bringing up his failed marriage was a low blow. This term alludes to the illegal practice of hitting an opponent in boxing below the belt. [c. 1950]
n. an unfair blow. (see also hit (someone) below the belt.) Coming in like that unannounced was a pretty low blow.