Green’s Dictionary of Slang

(US campus) sexual intercourse.

2001		screenit.com 24 Aug. 🌐 Due to the rapid-fire delivery of dialogue, the following should be considered a minimum [...] At least 227 ‘f’ words (25 used with ‘mother,’ 12 used sexually as are the terms ‘laid’ and ‘boning’), 75 ‘s’ words, 19 slang terms using male genitals (‘d*ck,’ ‘c*ck’ and ‘trouser snake’) [etc.].
2002		John Ngo ‘The Boning of the Shrew’ [introduction] Shakespeare ‘re-adapted’ The Taming of the Shrew for his bland, tight-lipped, ‘oh my goodness/I’ve been cuckolded’ fifteenth century England. Being a journalist, I have a responsibility to find and reveal the truth, no matter how ugly [...] it may be. Therefore, I hereby present to the reading public a condensed version of the original Taming ... rather, Boning of the Shrew.
2003		A. Herz Amer. Wedding [film script] jim’s dad: Michelle, do you know why they call it ‘making love?’ michelle: No, I just call it boning.
2021		‘Aidan Truhen’ Seven Demons 236: I advocate and accept the boning and adoration of more than one person.