boneragmatic 

getting such a hard bonner that it takes a long cold shower or imediate whacking to get it to go away.

jeff: man it inst leaving i think i am getting light headed
chris: dude u better do something or it will become boneragmatic
jeff: o shit i dont want that!

boneragmatic by samuel adams January 31, 2005

Bonermatic

When you see a girl that is so HOT she is instantly gives you a boner.

I was hanging out the other day and this dime walked by damn she was bonermatic.

Bonermatic by Silverhoss99 October 13, 2011