something to do with Tennis, as this is the famous Tennis match series.
In Cockney slang, "Garrett" is a term used to refer to a cigarette. Cockney slang often involves rhyming words or phrases, where the intended word is replaced with a rhyming phrase to create a coded language. In this case, "Garrett" rhymes with "carrot," which is why it is used as a substitute term for a cigarette in Cockney rhyming slang.
in Cockney, lookout man for a burglar or thief. -in US or Australia, a commercial traveller
eyes
Shirt
Kettle and Hob - Fob Watch.
Lemon cake = fake
The word is Cockney slang for "detective".
it means your face
Frazer in Cockney could mean "pain" as in Frasier Crane, the U.S. comedy TV show starring Kelsey Krammer
It's "crap" -- Pony and Trap.
"daffy" sometimes means insane or crazy
Ondřej ,,Otin'' Kratochvíl