Shrewd

[Couch Potatoe]

Inclining to shrew; disposing to curse or scold;
hence, vicious; malicious; evil; wicked; mischievous; vexatious; rough;
unfair; shrewish.

[Dianne]

Usually refers to having [good business] sense or is generally good with money. One who is [wise] with money and does not [fritter] it away needlessly.

[Ernesto]

A [codeword] for [Stingy Jew].

[Jessica]

Having or showing sharp powers of judgement; astute.

[Lizzy Liz]

[Fucking] [invalid] of [a human] being