It's OK we all ask questions. Don't think a thing about it.
Drop shot is a weight on the end of your line with a hook or jig up the line above your sinker (12"-18" usually). This is the best method I know of for fishing brushpiles. It takes a little finesse pulling a minnow up through the limbs but the weight enables you to jiggle it free if it gets hung. You can probe every area of the brush pile with this technique.
Blank is referring to a rod blank. The blank is the rod before the eyes and handle are attached.
Pullin is referring to pulling jigs or crankbaits from the back of the boat. Pushin refers to trolling from the front of the boat. There are variations to these trolling techniques but that kinda sums it up.