Boobyrection 

to get an erection simply by looking at a woman with large breasts

Mike was at the beach watching a large breasted woman put sunscreen on herself and he got a boobyrection!

Boobyrection by Breast tickler December 9, 2008

Boobrection

Where a woman wears a really tight dress to push up her boobs.

"Hey look she is wearing a really nice dress"
"Yes, it's giving her a boobrection"

Boobrection by holysheet February 13, 2015