Top definition
The sexual orientation of one who is completely straight but it quite comfortable talking about another member of the same sex in a midly sexual manner.
"'yeah, he's certainly got a nice firm butt'"
is casually straight, however
"'i would like to rag him one up the jacksie'"
is generally not considered casually straight and more quite simply gay.
by No Name Johnny September 06, 2005
Mug icon

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