0 to stop people from continuing a phone conversation by breaking the phone connection -- 挂断…的电话;使…电话掉线
We got cut off before she could give me directions. 她还没给我指示我们的电话就断掉了。
1 If someone serving drinks in a bar cuts you off, that person stops serving you alcoholic drinks because they think you have drunk too many. -- 不卖给…酒
2 cut sb up -- 超车抢到…前面(同 cut sb up)