1 definition by yargenhargen

(verb) "to schlieffen" to attempt to enter into someplace or something, such as a room or a bodily orifice, without warning and unnoticed until the last minute
(noun) "a schlieffening" an attempted entrance into a place or thing, such as a room or bodily orifice, without warning and unnoticed until the last minute

Etymology: from the German Army's battle plan for World War I, the "Schlieffen Plan," characterized as a "massive, unexpected, and successful surprise attack."
Richard: "Last night I schlieffened my wang into Rachel's ass, and once the initial surprise was over, I think she thoroughly enjoyed it."

Hank: "Did you hear how Richard executed a successful anal schlieffen with his girlfriend? It inspires me to try one myself!"

Homer: "I was late for class, so I schlieffened into the room while Mr. Jones' back was turned, but alas, I was caught."
by yargenhargen July 3, 2014
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