* "I'm fancying a slice of pizza right now." (meaning: I have a craving for pizza)
* "She's been fancying that new guy at work." (meaning: she's romantically interested in him)
* "He's fancying himself as a writer." (meaning: he thinks he's a good writer, perhaps even better than he actually is)
* "Fancying a walk in the park?" (meaning: Would you like to go for a walk in the park?)
* "I'm not fancying going out tonight, I'm too tired." (meaning: I'm not in the mood for going out tonight)
The meaning of "fancying" can depend on the context, so pay attention to the other words in the sentence.