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1.
made entirely of curves and/ or curved surfaces; smooth, undulating.
For example, Victoria Secret models tend to be Schwoopy, '57 Corvette's are schwoopy, Frank Gehry's building have schwoopiness.
by feckless December 06, 2006
 
2.
a male who has large breasts, otherwise known as "man tits".(Noun).

Verb: (Schwooped/Schwooping)= the bouncing/jiggling on one's man tits.

Adjective: (Schwoopy): describing big man breasts.
by HaciMimo July 20, 2009