An erection that has popped up for no reason. It has randomly come up. Random+Boner=Roner.
Friend A: Dude, what did you think of that math test?
Friend B: It would have been fine, if I didn't keep getting roners.
The Urban Dictionary Mug
One side has the word, one side has the definition. Microwave and dishwasher safe. Lotsa space for your liquids.
Buy the mug