Your problem isn't so much your wording, though at times it is, but just skimming through your biggest problem is your concepts (or lack there of).
Take this for instance:
Quote:
old fucking man, we all know you're not in a human age class
you can grab your lightsaber and have Skywalker stick it up your ass
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The set-up isn't relative to the punchline. It doesn't set-up the line following it. What does him being old, in the set-up, have to do with him being gay in the punchline? The two aren't connected, and they should be, the first should set-up the pay-off in the second.
Furthermore, the actual 'punch' has no impact. No sting. There's nothing witty about it, nothing particularly creative or original, no wordplay. It falls flat.
Quote:
the way i throw n sling punches you gonna miss your old good moments
he'll never open his third eye.. as he can barely keep his left one open
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That one's a lot better, it was a decent idea and the punch was worded adequately enough, it's just things like "old good moments" in your setup - It doesn't sound natural at all, it sounds garbled. Try to keep it natural sounding.