Where does “jump hump” come from?

jump hump (English) comes from English hump, from Dutch homp, from Middle Low German hump, from Old Saxon hump, from Proto-Germanic humpaz, from Proto-Indo-European kumb- — curved.

jump hump (English): To soak (have penetrative sex without hip thrusting), typically on a bed, while another person repeatedly jumps close by so as to cause the penis to move back and forth inside the vagina

Definitions

  1. To soak (have penetrative sex without hip thrusting), typically on a bed, while another person repeatedly jumps close by so as to cause the penis to move back and forth inside the vagina

Ancestry of “jump hump”, step by step

jump hump traces back through two separate lines of ancestry.

via English hump

StepLanguageWordMeaning
1EnglishhumpA mound of earth; A speed hump; A deformity in...
2Dutchhompgobbet
3Middle Low Germanhumpheap, hill, stump; heap, hump
4Old Saxonhumphill, heap, thick piece
5Proto-Germanichumpazhip, height; hump
6Proto-Indo-Europeankumb-curved

via English jump

StepLanguageWordMeaning
1EnglishjumpTo propel oneself rapidly upward, downward and/or...
2Arabicجَنْب—
Every word from Proto-Indo-European kumb- →