look up any word, like sweetest day:
1) used as a greeting call amongst friends. 2) An erection or boner exhibiting roundness. 3) male genitalia. 4) A screw up or mistake. 5) used as a battlecry, exclamation or excitement.
1) Hey, Bowner!
2) Gotta Bowner!
3) Ouch, that hit my Bowner!
4) What a Bowner!
by Gimli July 09, 2003
a boner that has an unusually downward arched "bow" to it
aw shit mate, i got me a bow-ner and now i dun gone and fucked me own arse
by Mittwoch shitter January 19, 2011