A piece is a device for smoking marijuana. Usually a glass piece.

The Cougars are the Univeristy of Houston’s mascot.

G-13 is a legendary strain of very potent marijuana supposedly originally grown by the government. According to the legend, “G” stands for “Government” and the 13th letter of the alphabet is “M”( for marijuana). It is very potent, with sometimes more than 25% THC. Steve Nash, is an iconic Phoenix Suns point guard who wears number 13. Guard 13 = G-13.

My clique, as referenced in other songs like “Diet Mtn Dew”
http://youtu.be/qqDv7t7tXCU

Peruvian cocaine is some of the finest in the world. Cocaine output in Peru usually surpassed Colombia’s. This line is also a nod to Immortal Technique’s “Peruvian Cocaine”
http://www.youtube.com/watch?v=qBRXZNuK3Jo

Nepal is famous for its natural vegetation and natural beauties and Marijuana is easily found growing in bushes naturally. The police have no interest in marijuana related issues and if you are a tourist no one cares about you smoking.

Sample of U.K. singer Jai Paul’s BTSTU
http://www.youtube.com/watch?v=YEjYt2qNwmg&feature=player_embedded

The general concept of the song is getting “twisted”, which involves getting both high and drunk. Most of the song is sprinkled with weed references, but H introduces the alcohol towards the end of the verse.