Souvenir in London

Bought a souvenir in London Got to hide it from my mom Can't declare it at the Customs But I'll have to take it home Tried to keep it confidential But the news is leaking out Got a souvenir in London There's a lot of it about Yes, I found a bit of London I'd like to lose it quick Got to show it to my doctor 'Cause it isn't going to shrink Want to keep it confidential But the truth is leaking out Got a souvenir in London There's a lot of it about