To make something more interesting, lively, or sexy
Ex: By learning new expressions and vocabulary, you can spice up your English communication skills.
Ex: I am going to spice up lamps with spray paint
Ex: We spiced up the party by playing Mannequin Challenge
Ex: How to spice up your sex life?
Ex: Spice up your bedroom with recycled shoe boxes
Immersion in English - Makes You Perfect 