When it comes to talking about a small amount of something, there are plenty of synonyms for the word "smidgin". For example, you might hear people use words like "modicum", "hint", "trace", or "dash". Other options include "whisper", "sliver", "slight", and "touch". Additionally, the word "pinch" can be used to refer to a small amount of spice or seasoning, while "drop" or "dribble" might be used to talk about liquids. Ultimately, the word "smidgin" is just one of many options available when you want to describe a tiny amount of something, so don't be afraid to get creative with your vocabulary!