A punchline
Elephino...
Cheech Marinade!
If this popular game show told a joke, it would put the punchline first.
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.
A Doberman puncher!
He didn't want to be part of a bad punch line.
He ran out of cocaine.
Eric Clapton wouldn't let a baggie of cocaine fall out the window.