A very large penis!
Probably belonging to a blask
blask has a super cock
Top Definition
1. extra-large hard-on

2. Superman's penis

3. Description of a complete jerk-off

4. The penis of another non-descript super-hero's wang

5. Junior Patrick
Man/Woman: Is it a bird?

Man/Woman: Is it a plane?

Other Passerby: No, it's a supercock, what would a bird or a plane be doing in his underwear?, and besides, it's shaped like a penis.. Der!!
by jamie_ledge October 03, 2006

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