A straight male who attempts to protect himself from rape by clenching his buttcheekstogether. Can commonly be observed in prison showers.
Prisoner 1: Look at Billy over there... he’s clenching his cheeks real tight.
Prisoner 2: Must be cause he dropped the soap... he must be a clench defender.
Tyrone: Shit mayne... I’m still comin for that double-wide surprise *inhales* gawd dayummm.
used after one has had a skateboard, bicycle or rail smash into ones testicals, causing great amounts of pain, in some cases vomiting and even "broken balls disorder"
"Mark really Defected his children on that missed double peg"
"My brother defected the children after he tried a gardflip over a rail we spent 4 fucking hours in the hostipal"