The writers and contestants of RuPaul’s Drag Race have a gift when it comes to inserting sexual innuendo and private-parts puns into nearly every minute of the show. They’re much more creative than some of their scripted-show counterparts. In fact, had the first sentence of this post been read aloud by RuPaul herself, we just know which words she’d emphasize to stick it to us. As Drag Race’s fourth season comes to a halt Monday night, we’re taking a look back at some of this season’s most over-the-top sexual wordplay. And the Emmy for best use of a double entendre goes to …