Bathroom math

During a toilet sesh, needing to go number one and number two at the same go, totaling three.

Rudigger: Yo buddy, why were you in the stall so long?

Jim: Got tied up with some bathroom math.

by Just Dewar April 7, 2009

Bathroommate

Person with whom you share a bathroom and bathroom items, including but not limited to toilet paper, razors, tampons and condoms.

My bathroommate used my beard trimmer and left chin pubes on my toothbrush.

by Chrisruptive December 28, 2017