when somebody makes a cracker of a joke, creating a
glory moment similar to the epic feeling of stopping a
motorbike on the edge of
a cliff, then 'falls off' in the process of making another, this time lame, joke, as they go for too much glory.
Person #1: "You're so gay you
make a circle look straight"
Crowd: "HA HA HA"
Person #1 (
Feeling cocky): you're so gay you make a gay
man look straight
Crowd: ...
Person #1's friend: "Mate, you just cliffed it"