Normally you might consider booze if you were trying to get someone to unzip their pants, but in this case you might wanna try winzip instead. Seriously, forget animal prints and silk. If you want to get your nerdy lover turned on then you’re going to have to wear something that speaks their language—you know, like PHP, the web programming language. Available in red or gray, Extension Underwear make the perfect drawers for computer geeks. They feature several different file extensions on the rear, including .zip, .exe, .php, .log and .mp3.