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2.
When you're doing a girl from behind in the vagina, and you take your dick out and stick it in her ass once, then switch back to the vagina.
My girl didn't want to try anal, but I gave her an Alabama Speed Bump anyway.
by DHamilton March 14, 2011
 
1.
When you're doing a girl from behind in the vagina, and you stick it in her asshole once, then go back to the vagina.
My girl didn't want to do anal, but I gave her an Alabama Speedbump anyway.
by Dan Hamilton! March 06, 2011