silly season

any time when the silly things people do are frequently reported in the media

You know its silly season when the odd news section is chock full of new articles.

on to

aware of especially something dishonest or unlawful

I think he's on to something.

5 spot

a five dollar bill

Do you have a 5 spot availible?

go postal

to succumb to fatigue and tension, to be become violently angry(from a series of incidents from the mid 80s to the 90s where various postal workers went on shooting rampages)

I will not let him go postal in plain sight.

bag

1. the scrotum

2. a condom

3. an envelope of illegal drugs

4. a woman's breast

5. to get

6. to arrest

7. to break into a place with the intention of secretly investigating something

8. to criticize someone

After masturbating excessively for so long, he had a wrinkled bag.

card shark

a skilled card player (no longer is the word necessarily pejorative)

A card shark was strutting his stuff at the other table.

headache

an annoyance, trouble

This is the biggest headache for the company since the lawsuit for libel.