Fuck up and Sad sack

Fuck up verb - Make a mess of, destroy or ruin.

Sad sack and fuck up are semantically related. In some cases you can use "Sad sack" instead a noun "Fuck up".

Sad sack noun - Someone who makes mistakes because of incompetence.

Fuck up and sad sack are semantically related. Sometimes you can replace term "Fuck up" with "Sad sack", this terms are similar.