No Apparent Reason Boner

No
Apparent
Reason
Boner
The boners you get in class or anywhere even if a girl isnt present. This also includes morning woods, unless you had a wet/sex dream.

No Apparent Reason Boner. When you're just sitting there taking a test or listening to a sermon in church and for some random reason, you get a raging hard-on. Hopefully you are wearing tight jeans or tighty-whities and not gym shorts.

No Apparent Reason Boner. A boner that appears for absolutely no reason you can think of

Newly Associated Runescape Bitch

NARB- N. No Apparent Reason Boner. When a male individual becomes sexually aroused for absolutley no apparent reason, and cannot make his penis heel on command.

literally, "no apparent reason boner";
also used to generally define an erection; a stiffy