I would like to smoke one eighth of an ounce of marijuana in one sitting
Cypress Hill has a song where they say "light another joint"
If you would like to get intoxicated on marijuana, you had better bring your own, as you will not be smoking mine
Dearest friend; if you decide to come and hang out, I would appreciated it if you would bring your own cigar that has been liberated of its' tobacco filling and replaced with cannabis sativa.
Maggie is the mother on the TV show Growing Pains
Yukmouth is expressing his displeasure at the fact that whenever he finds it within his heart to share his marijuana with someone, they tend to over-indulge.
Luniz is saying people inhale the marijuana like a vaccuum would suck in dirt.
Stupid people inhale the weed smoke like a vacuum. (Basically smoke more weed than would be acceptable given the circumstances.)
Homies is referring to Homer Simpson a dufus father figure for Maggie Simpson. (The Simpson's animated cartoon) Growing pains refers drama in the house.
He stays away from the good looking females who sexually tease, who have poor morals and strange acting people.