Where does “slamfuck” come from?

slamfuck (English) comes from English fuck, from Middle English fukken, from Old Norse fukka, from Proto-Germanic fukkōną, from Proto-Indo-European pewǵ- — to punch, fist-fight; to prick, poke, stab.

slamfuck (English): To have rough sex with someone (better definition needed)

Definitions

  1. To have rough sex with someone (better definition needed)

Ancestry of “slamfuck”, step by step

slamfuck traces back through two separate lines of ancestry.

via English fuck

StepLanguageWordMeaning
1EnglishfuckTo have sexual intercourse, to copulate; To have...
2Middle Englishfukkento fuck; to beat, strike
3Old Norsefukka—
4Proto-Germanicfukkōnąto blow, gust; to strike, assail; to copulate
5Proto-Indo-Europeanpewǵ-to punch, fist-fight; to prick, poke, stab

via English slam

StepLanguageWordMeaning
1EnglishslamTo shut with sudden force so as to produce a...
2Middle Englishslammen—
Every word from Proto-Indo-European pewǵ- →Every word from Proto-Germanic fukkōną →Every word from Old Norse fukka →
slamfuck — Etymology, Origin & Word History | Etymology Explorer