What is Spongebob Nudiepants?
1.
1) SpongeBob SquarePants but lacking the SquarePants.
2) Someone who refrains from wearing underwear under their outer clothing (i.e. to go 'commando', 'freeballing' - in the case of men not wearing underwear, and 'freebuffing' - in the case of women) to covertly create a frisson of sexual excitement or amusement amongst friends, sexual partners, future sexual partners, etc.
Lydia is a SpongeBob NudiePants tonight!
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Random Words:
1.
A young lady always up for a shag. dirty skank.
Get off me ye damp yoke.
See slapper, slag, slut, skank, bike..