Modifiers matching nerd:

• sarcastic,
• attention-seeking,
• overweight,
• intelligent,
• nerdy,
• self-satisfied,
• brilliant,
• sensitive,
• judgmental,
• suave,
• friendly,
• geeky,
• zany,
• egotistical,
• hard-working,
• affable,
• entertaining,
• knowledgeable,
• insensitive,
• fat,
• bumbling,
• considerate,
• pretentious,
• know-it-all,
• short,
• clever,
• funny,
• sanctimonious,
• insecure,
• witty,
• insightful,
• petulant,
• narcissistic,
• technically-brilliant,
• smart,
• eager-to-impress,
• socially-awkward,
• timid,
• annoying,
• anti-social,
• urbane,
• scientific,
• literate,
• obsessive,
• caring,
• precocious,
• youthful,
• observant,
• cruel,
• resourceful,
• obese,
• diligent,
• cultured,
• bureaucratic,
• smug,
• imperious,
• educated,
• polite,
• obnoxious,
• whiny,

Simple categories matching socially-awkward:

• person,
• comedian,
• physicist,
• nerd,
• invalid,
• actor,
• friend,