Idiom
shoot wadshoot (your) wad
1.
to spend or use everything that you have.
He's going to shoot his wad on his night out - whatever it costs for a good time.
2.
to say everything that you want to say about a particular subject.
Our opponents shot their wad at the meeting and left everyone in no doubt that they would oppose our plans.
3.
if a man shoots his wad, semen (= thick liquid containing a man's seed) comes out of his penis.
He shot his wad as soon as she took her blouse off.