thud
while i was sniffing theresa's [balloon knot], i got one hell of a thud and ending up pulling the old [bung licker] act  on her
a physical reaction that occurs with a males reproductive organ when sexually aroused
"while i was sniffing theresa's [balloon knot], i got one hell of a thud and ending up pulling the old [bung licker] act  on her" What is the definition of "thud"?