A man's penis immediately following the act of anal sex. This term may be used in the context of both heterosexual and homosexual buttsex.
After cock-washing or A2M, the penis is no longer properly described as a rusty thruster until it is returned to the anus.
After cock-washing or A2M, the penis is no longer properly described as a rusty thruster until it is returned to the anus.
Her painful red anus gaped open, drooling lube onto her clean white sheets as the dirty old man slid his rusty thruster from her defiled poop chute with a wet, sucking sound.
by Dirty Raunchy Sanchez May 11, 2014
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