What is Malus?
1.
Negative preference, detriment, the opposite of "Bonus". From Latin root "mal", as in "malo, mallui, malus".
You have a strength bonus of +5, and a malus of -2, leaving you with a total bonus of +3.
2.
Fucking Awesome Guy!
OMG That guy is such a Malus!
See
3.
To be an awesome guy
Man im so awesome im like malus