to paint the town red – бурно отдыхать и веселиться

We’ve passed our exams, so let’s paint the town red.

paint_the_town_red

 

to let one’s hair down – расслабляться

It will do you good to let your hair down once in a while.

let_your_hair_down

 

to have a whale of a time – хорошо проводить время

We had a whale of a time at the party.

whale_of_a_time

 

to sow one’s wild oats – бурно проводить время (в молодости), вести разгульную жизнь (букв. сеять дикий овес)

You spent several years sowing your wild oats, but now it’s time to settle down.

to_sow_wild_oats

 

to blow away the cobwebs – проветриться, прогуляться, просвежить голову

You’d better have a stroll in the park and blow away the cobwebs.

blow_away_the_cobwebs

 

in full swing – в полном разгаре

When we got to the party it was in full swing.

in_full_swing