Top definition
Its when the giver cups the hands around the takers butthole and breaths hot air directly on the rim creating a sauna like experience for the takers anus.
"Dude, Stella came over later last night and gave me the hottest rim steamer! It was like only my butthole was in a sauna!"
by hazelNUTZ March 01, 2015
Get the mug
Get a rim steamer mug for your Uncle Günter.