The sexual act in which one man with a silicone enlarged penis has his penis filled with the soft feces of a female or male lover using their fingers or any tool that can fit into an urethra. A beef taco is just a crispy chip shell with dead cow inside and various other ingredients to make it taste good.
Hey Stacey, I gave my boyfriend a rim job last night.

Well I gave him a beef burrito to spice things up.
by ImJustVeryRetarded July 25, 2016
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