1 definition by B3iswhereitsat

(verb)- To hook up with a person in the top bunk of a bunk bed. Can be modified into a double-bunk if there is another couple hooking up on the bottom bunk.

Typically occurs in a college dorm setting.

Can be abbreviated "TB"
Did you hear? Mark top-bunked that girl he was dancing with at the party last night!

No way! Please tell me.. was Steve was there too?

Yep. It was a classic double-bunk.
by B3iswhereitsat September 21, 2011
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