3 definitions by jellybean4

1
abbreviation standing for totally acceptable boner
"Man, when my teacher bent over to help me with my homework I got a huge erection."

"She's got great tits. Definitely a TAB."
by jellybean4 May 16, 2009
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3
a one lane underpass, or tunnel, for cars underneath a railroad track that is constantly tagged and retagged with bad graffiti by Karns High students
"Dude, I was tagging the Karns underpass last night and the police came before I could finish."

"Lame."
by jellybean4 May 12, 2009
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