1. Whilst being blown doing Blow off the head of the blower.
2. Placing a little bit of coke on the base of ones penis to give a little more umph to go down lower each time.
1. "Last night was crazy shit. I did a Snowblower with some crack whore"
2. For more then 'just the tip' from a crack whore hooker, ask her if she'd do a Snowblower.