fun on a bun
Great fun; something very entertainingGreat fun; something very entertaining.
Meaning
1 senses(slang, uncountable)Great fun; something very entertaining.
Origin
Chosen for the rhyme.Chosen for the rhyme.
Wiktionary, CC BY-SA 4.0 · source
Lessons for this word
1 lessons- A1Countable and uncountable nouns — Because it can be uncountable