An expressive, beguiling phrase
used as a generic vocalisation of annoyance, or as as a
mild insult.
"I haven't enough port for my
party this
evening. Cock on a bicycle stick."
"Cock on a bicycle stick. I
lost my monocle last summer."
"You, sir, are without doubt the biggest cock on a bicycle stick I have ever had the misfortune of dining with."