What is Scrimshaw?
1.
Widely accepted definition: An artistic etching in ivory or bone.
Urban definition: Getting screwed in the ass.
Verb (past tense) - "Jason got totally scrimshawed at work today."
Verb (present tense) - "Last night I got caught scrimshawing my girlfriend Kate"
Noun - This algebra test is gonna be a major scrimshaw.
2.
to take a boner hard in the butt
Muffy insisted on a scrimshaw as she had not filled her presciption for "the pill".