plural of wall jump

(differential geometry) Given a point P on a surface M, the tangent plane of M at point P, denoted by T_P(M), is the plane passing through P which contains the tangent lines of all the curves on M ...

(colloquial) A pacifier. / (slang, vulgar) A fellation, a blowjob. / (slang, vulgar) A fellatrix, a blowjobber.

(rhetorical question, somewhat hostile) Expresses discomfort because the interlocutor is looking at something; usually, this is said when the interlocutor has been staring at the speaker.