When a man/woman deficates on their hand and proceeds to masturbate you.
Hey Kyle, how did it go with Sarah last night?

Not good man, she tried to give me a rusty tugboat!

What the fuck dude?
by ToXicXxX September 22, 2013
A vigorous handjob, immediately following anal sex, to mitigate sucking on poop dick.
Alan was elated when his mom agreed to ass-to-mouth! But was heartbroken when she gave him a rusty tugboat first. :(
by Dubya82 September 20, 2013

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