Caught offside
Penetrating a female's anus, when the female assumes one would be penetrating the her vagina
Example #1
Mario: Did see give up the ass, bro?
Chaucer: Nah, I tried, but I got caught offside...
Example #2
Chaucer: So I got caught offside last night...
Derek: Did she turn around and smack you?
Chaucer: Nah, I convinced her it was an accident
Mario: Did see give up the ass, bro?
Chaucer: Nah, I tried, but I got caught offside...
Example #2
Chaucer: So I got caught offside last night...
Derek: Did she turn around and smack you?
Chaucer: Nah, I convinced her it was an accident