cancel a cocktail party
The phrase 'cancelar un cóctel' in Spanish implies putting a stop to or calling off a planned cocktail party. You'd commonly use this phrase when you've decided not to go forward with the event for any given reason, may it be personal issues, scheduling conflicts, or unforeseen circumstances. It conveys a sense of disappointment and inconvenience, just as it does in English when one cancels a cocktail party.
I decided to cancel a cocktail that I had planned for tonight.
This phrase expresses the speaker's decision to call off a social event involving cocktails that was scheduled for the current evening.
The restaurant called me to inform me that they were going to cancel a cocktail due to lack of reservations.
In this example, the speaker mentions receiving a call from the restaurant explaining that a planned cocktail event was being canceled because not enough people had reserved a spot.
If you do not confirm your attendance, I will have to cancel a cocktail for the weekend.
This sentence indicates that the speaker is considering canceling a cocktail event that is set for the weekend, contingent upon the other person's confirmation of attending.