This is the 11794th most frequent Spanish word.
gusanito
A small worm or caterpillar; figuratively, a craving or urge.
Here, 'gusanito' is used metaphorically to express a nervous or anxious feeling, often related to anticipation or adrenaline.
Tengo un gusanito en el estómago cuando pienso en la presentación.
I feel a little excitement (literally 'a little worm') in my stomach when I think about the presentation.
In this context, 'gusanito' is a diminutive used affectionately or descriptively to refer to a small worm in a literal, nature-related sense.
En el jardín, encontramos un gusanito descansando en una hoja.
In the garden, we found a little worm resting on a leaf.
Here, 'gusanito' refers to a small candy shaped like a worm, commonly called a 'gummy worm' in English.