To have been subjected to sex by a frump. Similar to being fat bitched but by a girl who is ugly instead of fat. Waking up next to a bagger, butterface or Cleveland Brown. One can be frumped voluntarily, as in the case of a fat bagger or hogger.

To be ditched by a friend who used you used to hang out with a lot.

Derived from "friend-dumped"

The art of showing one is upset, insulted, or otherwise taken offense to someone else. It is commonly expressed through body language alone, but it is possible to verbally or metaphorically frump someone as well.