When a girl "fucks" a potato. She inserts it into her vagina, and uses her cervix to suck it inside. The lips will slowly wrap around the potato, pulling it farther and farther inside.
John: I hear Melissa gets really lonely at night now that Tim is gone.
Steve: Yeah, I walked in on her giving a spudjob the other day.
Steve: Yeah, I walked in on her giving a spudjob the other day.
by Ya Boy, MicSwayney January 27, 2014