Un anafre = a portable stove, often made of metal.
Dale duro = a sports chant, literally, hit hard. Also: give it to her hard, sexually.
Dale, dale, dale; no pierdas el tino = the beginning of the omnipresent piñata song.
Estas son las mañanitas que cantaba el Rey David = beginning of birthday song.
Mexicanos, al grito de guerra = beginning of the Mexican national anthem. Estrofas = verses.
Está panzona = preggers, her pregnancy is showing. From panza, belly.
Panza = belly. Tiene pancita = he has a bit of a belly. Panza chelera = beer belly, beer gut.