I think another word for a brief vacation on a weekend is 'weekend holidays'.
sabbatical Vacation
showers
"Vacation" is a very American term. Most other nationalities would refer to a vacation as simply 'going on holiday'.
If brief is used as an adjective, other words for it would include 'short' or 'succinct'. If used as a noun another word for it might be 'instructions'.
The word "brief", depending on context, can be either a verb, a noun, or an adjective.
"Hiatus" is one of my favorites.
a three day vacation is too brief for me
Holiday or getaway.
A word that means a brief vacation is "getaway." It refers to a short trip or escape, typically intended for relaxation or recreation. Getaways can vary in length but are generally quick escapes from one’s routine to recharge.
interference
tryst is a word for a short romance on the sly.
Vacation, break, celebration, festival.
sabbatical Vacation
an amazing vacation
A brilliant vacation
showers
Love affair