痛快

Having everything done on time, I feel delighted.

She was annoyed to find they had left without her.

He was upset at not being invited.

indulge in momentary pleasure

seek momentary gratification

be filled with joy as never before; feel unaccustomed happiness

I had a very refreshing bath.

We had a whale of a time at the pleasure ground.

drink/gulp it straight down

have a good laugh

have a wonderful/heavenly time

weep one's fill

drink one's fill; drink to one's heart's content

eat one's fill

This man is forthright and simple. He says whatever is on his mind.

Will you please be more explicit?

When I deal with someone straight, I'm always fair and square.

readily agree

get things done simply and quickly

not mince one's words