What is Columbas?
1.
When "exploring" what you think is virgin teritory when it is actually "owned" by someone else. Baisically doing a sexual act with someone you think is a virgin only to find out that she/he isn't!!
"Dude that girl last night, well i was Columbased!"
"hot damn!"
See
2.
having sex with a virgin; exploring new teritory
last night that guy I made love too was a columbas
See