A wumpa fruit nigger is someone who is black and loves watermelon.
Popularized on TikTok it is used as a racist slur and addition to the normal racist take.
while partners are engaged in sexual acts the female has her legs placed behind her head in a basket like shape and the male places his genitalia (cock and balls) into the vagina simultaneously.
Mitch: Hey man you know that girl from the bar last night