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1. The act of momentarily lapsing into a session of incredibly stupid and insensitive comment making (while still being a nice and quite an enjoyable person)

2. Or also the tendency to become overly secret about minor ordeals.
1. Josh:"Haha you're bald!" Person:"Josh quit being a Bisig"

2. Person A:"Why would he hide the fact that he went to talk to his girlfriend?" Person B:"He's just Bisig-ing us"
by BisigLovers July 30, 2012
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