shower of shit 

A complete waste of space; someone who seems to serve no purpose than to ruin your day

John's been a right shower of shit today - meaning John's ruined my day.

shower of shit by GrumpyPenguin January 31, 2017

shower of shit 

fast, aggressive, strong

she may look small but that V8 goes like a shower of shit

shower of shit by tacklezzz September 19, 2025

slower than a sack of shit moving down the runway 

Literally, slower than a sack of shit moving down the runway.

Why the fuck is my computer slower than a sack of shit moving down the runway!?

slower than a sack of shit moving down the runway by DancingWolfs December 12, 2013