motorboner
Like motorboating, except instead of tits, it's with your boner.
This girl motorbonered me last night. Shit was so cash.
motorbone
The act of a female's lips vibrating on the shaft of a penis. similar to motorboating for a man
Last night she offered to motorbone me
motorboner
Boner, while riding on a motorcycle, caused by seeing a hot chick riding a motorcycle.
That fox on her crotch rocket gave me such a huge motorboner, that it took me half an hour extra to get my motor pants off.