Crossword Genius

... www.tinder.com, perhaps after hot fling (4)

Ross

I believe the answer is:

hurl

I'm a little stuck... Click here to teach me more about this clue!

'fling' is the definition.
(I've seen this before)

I cannot understand how the rest of the clue works.

Can you help me to learn more?

(Other definitions for hurl that I've seen before include "Throw forcibly" , "Throw forcefully" , "Throw hard" , "Play with a sliotar" , "Launch" .)

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