Definition: "Suddenly discover"

This is a deletion - look for an indicator word that suggests removing or taking away letters from another word.

'Losing' is the deletion indicator - take the word for 'hotel' and remove the letter that represents 'pounds' in abbreviated form.

Answer: HIT ON | Take HILTON ('hotel') and remove the L ('pounds' as in the currency symbol £, abbreviated as L) to get HIT ON.