Clue: Can drinking whiskey after French garlic ultimately yield gust from behind? (8)
Answer: TAILWIND
Explanation: Definition: gust from behind
 TIN(a metal can/cylindrical container) **containing**(drinking) [ W(letter represented by "whiskey" in the phonetic alphabet) **placed after**(after) AIL(French for "garlic") ] + **last letter of**(ultimately) "yield".