-verb
To subject a partner, usually female, to rough and largely self-satisfying sexual activity. Commonly used in Northeast Ohio, and especially Washington, DC.
When you and your girlfriend are doing the dirty on your friend’s basement couch and you proceed to throw both your legs up on the back of the couch and then swan dive into your girlfriends anus or preferred orifice.
“Hey Jamie? Did you give your girlfriend the ‘ol Texas Slamhammer on my couch last night?”