Noun and Verb.
N: A shuftee - sexual deviant (of either sex) who gains gratification from sniffing recently-used ladies bicycle saddles in hot weather.
Vb: To shuftee - To place the flared nostrils on the horn of a freshly-used ladies bicycle saddle on a sweltering hot day, inhale deeply through the nose and collapse in a miasma of orgasmic delight.
'Just look at him coming all over her rear mudguard: the filthy shuftee'
'How dare you shuftee my Raleigh Superior!'
'Is it yours, Miss Widdecombe? Oh God - I thought it belonged to Miss Lumley.'