To pay for anal sex.
Ex Con: I'm so lonely and horny, I think I'll go dontown and lease a butt ram.
by Lisa Buttram December 27, 2006
1 more definition
For non-perverts, this means to "visit the proctologist".
As a man over 40, I have to lease a butt ram every 5 years.
by Peter Buttram January 19, 2007