Use "grease monkey" in a sentence

1. The balding grease monkey beside me answered his mobile in yet another thick cockney accent

2. and grimy as a grease monkey’s

3. Marvelling at the tandem, two grease monkeys scurried about the business of repair while we lauded it with tea and lamachun they'd kindly bought for us unasked from the chai shop around the corner -we mused that by the time we had finished everything they pressed upon us, half their profit would have gone

4. She pulled into the Rolls Royce dealership and watched the wry smile on the engineers face as she repeated the source of her concern and the failed attempts of her local grease monkey to solve the squeak despite £600 and 3 goes