Top Definition
An erection caused by the mere complacency with ones friend or partner, but not necessarily in any sexual way.
Jennypie noticed that her bf has an erection 80% of the time they're together, and he said it's because "I just get a comfort boner when I get comfortable (i.e. chilling on the couch, etc) with you."
by Jennypieontranceaddict November 28, 2008
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