To prostitute oneself.
To engage the services of a prostitute.
To pimp; to pander.
To promote shamelessly.
Did you see him on that chat show, whoring his new book?
To pursue false gods.
To pursue false goals.
To overuse something.
BTW, that guy whuz still an asshole - camping the BFG and whoring the quad - I usually leave BFG maps but stuck around on that one and suicided quite a bit (3 times I got to about -10 frags, then came back to 0...).
The activities of a whore; prostitution; promiscuous sex.