in the sack

To have sexual intercourse with somebody in there bed. Used as slag in dublin.

Ah jaysus love i want you in the sack!

sack that

A more polite way of saying "fuck that" so you don't get in trouble with parents, teachers or bosses

Teacher: "Stay behind at lunch for a homework catch-up"
Student "I have people to meet, sack that"

sacked

To be fired from ones place of employment.

Also, to get "the sack".

"Sorry guys, can't go out tonight. I've got to save money since I was sacked today"

"Hey, did you hear Tracey got the sack?"

sack

Male scrotum.

"Yo, you can go lick my sack."

the sack

Bed...generally has sexual connotations.

Maria was a terrible cook and talked to fucking much, but because she had a huge rack and was a demon in the sack, Phil decided to put the cap on the kitchen cleaner and keep the ol' bag around for a little while longer.

sacked

to get punched, kicked, or hit in the nuts

I got sacked earlier in a fight

sack

Bag of marijuana. Usually preceded by a dollar ammount.

Hook it up with a 20 sack.