when somebody's confused, confuckinfuzzled and is tryin their hardest to think, like when u get a stupid equation that makes no sense in 4th grade at school, the sort that mashes yer brain up so.. its a headfuck
a: " my mum, sed that her mum, didnt like his mum, coz her mum,told mr beaken that his, mum didnt like my mum, coz i told mr beaken that i liked greenhippo's so he told mrs beaken who's her mum....."
b: " wow headfuck!!!slow down blondie, say again"