The punchlines were too long.
ME: Well...u know that shop where u saw that ring you love W: OMG YES M: I'm catching Pokemon near there
He was a pieromaniac.
If she's only wearing one sock. (This joke brought to you courtesy the homeless guy outside my local 7-11.) Edit: tweaked the punchline.
In the punchlines.
The punchlines are too long.
The punch line.