Its where you fucking lay down flat on the ground and let your boner lift you up off the ground. It may seem impossible at first, that your cock can't support your whole weight, but over time it can. you can only really do one, but one is all you need. This helps you get ready for when you become attractive to the ladies.
KG: Do you think that um, do you think that when the album, when this is out...
KG: Do you think it will make us um, more attractive to the ladies?
JB: Pshh, yeah, in fact, I been getting ready.
JB: Yeah, I been doin cock pushups.
KG: Cock Pushups?
KG: What are those?
JB: Its where you fuckin lay down flat on the ground.
JB: And then you let your boner lift you up off the ground.
KG: N...no, that's, that'd be impossible. Your cock can support your whole
JB: Well not at first...
JB: But over time.
KG: Hmm...how many pushups can you do?
JB: ...cock pushups?
KG: Yeah...I guess, you could only do one really.
JB: Yeah, well one is all ya need
-Tenacious D's skit "Cock Pushups"