chuff¹ /chuf/ or chuff-chuff /chufˈchuf/

1. To make a series of puffing sounds, as a steam locomotive does
2. To move while making such sounds

• flügelhorn
• flügelhornist
• flügelhornists
• flügelhorns
• flügels
• fm
• FM
• Fm
• FMA
• FMCGs
• FMD
• FMS
• FMV
• f-number
• f-numbers
• fo.
• FO
• foal
• foaled
• foalfoot
• foalfoots
• foaling
• foals
• foam
• foam at the mouth