When a large-bodied or oversized person tries to wear tight clothes to try to pull off a certain look. i.e. wearing tight jeans and slim-fit shirts.
You could totally see that guy's man-titties through that shirt he was wearing!

He's definitely slimmin', dude.
by Benton Smith February 26, 2008
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when you try to lose weight so one day you starv yourself, but second day you eat like a pig, and that goes on and on...
damn, i'm tryin so hard to lose some weight, but i just can't do it, i'm on pig slimmin' again
by SAFETY BUZZ October 3, 2006
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