Top Definition
A fictional creature that lives aboard naval vessels and whom you send those who are new to the boat to go and stand watch for at 3am.
Airman Wiles was given a bogus watch looking for sea bats when he could have been sleeping as sort of a hazing.
by Jolly Roger March 24, 2004
A nasty bitch that used an entire can of hairspray to style her hair into an enormous boufont.
Amber is the untimate seabat.
by Erin March 09, 2003
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