"Whipping through the glass" means that he's mixing cocaine to make crack in a glass pan. "whipping" means to stir a mixture. And "through the glass" refers to the glass pans usually used in the process of making crack cocaine.
Person 1: "damn nigga it stanks in here!
Person 2: "I makin crack nigga"
Person 1: naw nigga you doin it all wrong, you gotta whip it through the glass nigga!"
Person 2: "I know nigga! actin like I don't know how to make this shit?!"
Person 1: "I whip you through that glass if you don't stop talkin like that!"
Person 2: "righhht"
Person 2: "I makin crack nigga"
Person 1: naw nigga you doin it all wrong, you gotta whip it through the glass nigga!"
Person 2: "I know nigga! actin like I don't know how to make this shit?!"
Person 1: "I whip you through that glass if you don't stop talkin like that!"
Person 2: "righhht"
by Pnj287 January 8, 2015