Home › Words › S › slamfuckslamfuckslamfuck · noun — to have rough sex with someone (better definition needed).Definition from Wiktionary (CC BY-SA 3.0).Among words judged in Lexicurio's Arena, slamfuck ranks #10,830 of 43,061 for Qualifying.EtymologyFrom slam + fuck.nounTo have rough sex with someone (better definition needed)Definitions & examples from Wiktionary (CC BY-SA 3.0).