It's that time again! Jim Cramer rang the lightning round bell, which means he gave his take on callers' favorite stocks at rapid speed:

Dean Foods: "No, no, no, no, no, no, no, no, no, no, no, no, no. It's a commodity player. We're not there."

T-Mobile: "I think [CEO] John Legere's going to have good numbers going forward. Remember, I think that Verizon's actually gotten- I don't know, they're talking about [how] their network is overwhelmed a little."

Vodafone: "I like Vodafone very much. I trust the yield. Maybe I shouldn't."

Ormat Technologies: "I think there's a place for geothermal, and they're the kings of it."

Dollar Tree: "You've got a gun to my head because they report [Thursday]. I've got to tell you, [JPMorgan analyst] Matthew Boss thinks it'll be a good number. He's got a little bit of a hot hand on this stuff."