did i get hacked or something?
 

how come certain text items in my web browser such as "free porn" and even "viagra" automatically get linked to some goto: type site? how the hell do i get rid of this?

welcome to the world of spyware

spyware maybe, hacked doubtful. clear your cookies/temp files and run a spyware cleaner:thumbsup

Spyware removers.
Look on google for adaware and Spybot search and destroy.

get AdAware :thumbsup