Shit Root 

An Australian slang term for someone who is bad at sex.

So, turns out Jessica was a **shit root.** Called her a taxi and sent her on her way back to college

Shit Root by makerofdefintionsmydude August 2, 2019

Square Root of Jack Shit 

Absolutely Nothing. See Square Root of Fuck-All , Square Root of Sweet Fuck All and fuck-all squared.

"He knows absolutely the square root of jack shit about food and cooking."
- James May, Former presenter of Top Gear UK, on Richard Hammond.

Square Root of Jack Shit by [e-mail] April 30, 2016