Similar to a Tim Tam Slam, one bites the ends off a Cadbury finger biscuit and uses it as a straw with their desired hot beverage (or cold milk-based beverage), then before it melts/disintegrates, devour and enjoy.
“Hey, do you want a Cadbury finger with your coffee?“ “Heck yes, I’m going to Cadbury finger bash it.”
Ron's mom walked into his room and caught him applying that five finger choke while he watched his next door neighbour undressing through his bedroom window
An elite black belt level social media technique, wherein a GIF that is used to respond to a post, text, etc., is so strongly impactful on every emotional level that it might as well have been a physical strike.
That GIF in your response was such a Five Finger GIF Punch that it made me laugh until I started to cry.